giflib for fc5

[Warren Togami]

Don't forget to Provide and Obsolete the -devel package too from the new 
-devel package.

[wtogami at devserv x86_64]$ rpm -qp --provides libungif-4.1.3-3.x86_64.rpm
giflib
libgif.so
libungif.so.4()(64bit)
libungif = 4.1.3-3

It appears that the old libungif packages were always providing the 
wrong arch.  In the case of this new giflib package AFAIK ifarch 
conditionals seems like the only way.  Make sure it handles x86_64, 
ppc64 and s390x in the same way.

Warren Togami
wtogami at redhat.com