Description of problem:
gstreamer-plugins.spec is missing the buildrequires mikmod-devel
but lists BuildRequires: mikmod

Version-Release number of selected component (if applicable):
gstreamer-plugins-0.6.0-18.src.rpm

How reproducible:
always

Steps to Reproduce:
1. rpm -e mikmod-devel
2. rpmbuild --rebuild gstreamer-plugins-0.6.0-18.src.rpm 
3.
  
Actual results:

failure during the %configure stage:
...
checking for libmikmod-config... no
checking for libmikmod - version >= 3.1.5... no
*** The libmikmod-config script installed by libmikmod could not be found
*** If libmikmod was installed in PREFIX, make sure PREFIX/bin is in
*** your path, or set the LIBMIKMOD_CONFIG environment variable to the
*** full path to libmikmod-config.
configure: These plugins will not be built: mikmod
...
RPM build errors:
    File not found by glob:
<snip>/tmp/gstreamer-plugins-0.6.0-root/usr/lib/gstreamer-0.6/libgstmikmod.*

and 
Expected results:
rebuild without failure

Additional info: