Description of problem:
Kickstart installation of everything package set fails if any package is specified after line with "-@conflicts". Installation fails because of file conflicts.

For example, this one fails:
%packages
*
-@conflicts
kernel

This is working:
%packages
*
kernel
-@conflicts

tail -n 20 /tmp/anaconda.log
11:57:51 DEBUG   : Member: java-1.6.0-openjdk-src.x86_64 1-1.6.0.0-1.7.b09.el5 - u
11:57:51 DEBUG   : Adding Package 1:java-1.6.0-openjdk-src-1.6.0.0-1.7.b09.el5.x86_64 in mode u
11:58:16 ERROR   : file conflicts: file /usr/bin/ecpg conflicts between attempted installs of postgresql84-devel-8.4.2-5.el5.i386 and postgresql-devel-8.1.18-2.el5_4.1.i386
11:58:16 ERROR   : error running transaction: file /usr/bin/ecpg conflicts between attempted installs of postgresql84-devel-8.4.2-5.el5.i386 and postgresql-devel-8.1.18-2.el5_4.1.i386
11:58:16 ERROR   : file conflicts: file /usr/bin/pg_config conflicts between attempted installs of postgresql84-devel-8.4.2-5.el5.i386 and postgresql-devel-8.1.18-2.el5_4.1.i386
11:58:16 ERROR   : error running transaction: file /usr/bin/pg_config conflicts between attempted installs of postgresql84-devel-8.4.2-5.el5.i386 and postgresql-devel-8.1.18-2.el5_4.1.i386
11:58:16 ERROR   : file conflicts: file /lib/libnss_winbind.so.2 conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /lib/libnss_winbind.so.2 conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : file conflicts: file /lib/security/pam_winbind.so conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /lib/security/pam_winbind.so conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : file conflicts: file /usr/bin/ntlm_auth conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /usr/bin/ntlm_auth conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : file conflicts: file /usr/bin/wbinfo conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /usr/bin/wbinfo conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : file conflicts: file /usr/lib/samba/idmap/ad.so conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /usr/lib/samba/idmap/ad.so conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : file conflicts: file /usr/lib/samba/idmap/rid.so conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /usr/lib/samba/idmap/rid.so conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : file conflicts: file /usr/sbin/winbindd conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386
11:58:16 ERROR   : error running transaction: file /usr/sbin/winbindd conflicts between attempted installs of samba-common-3.0.33-3.28.el5.i386 and samba3x-winbind-3.3.8-0.51.el5.i386


Version-Release number of selected component (if applicable):
RHEL 5.5, tested with x86_64 arch

How reproducible:
always

Steps to Reproduce:
1. start kickstart installation with %package section:
%packages
*
-@conflicts
kernel

Actual results:
Anaconda fails because of file conflicts.

Expected results:
Anaconda installs all packages without error.