Description of problem:
rpm-python adds extra \n to group tag


Version-Release number of selected component (if applicable):
rpm-python-4.4.2.3-27.el5


How reproducible:
always

Steps to Reproduce:
1. rpm -q --qf "'%{group}'\n" -p  strace-4.5.18-5.el5_5.5.x86_64.rpm
2. cat >/tmp/p.py <<EOF
import rpm
import os

ts=rpm.ts()
ts.setVSFlags(-1)
fd = os.open('strace-4.5.18-5.el5_5.5.x86_64.rpm', os.O_RDONLY)
hdr = ts.hdrFromFdno(fd)
print "GROUP = '%s'" % hdr['group']
EOF

3. python /tmp/p.py
  
Actual results:
'Development/Debuggers'
GROUP = 'Development/Debuggers
'

Expected results:
'Development/Debuggers'
GROUP = 'Development/Debuggers'

Additional info: