Recent versions of gawk use libsigsegv. It should be linked dynamically, but since gawk lives in /bin, this requires that libsigsegv library must be moved to /lib. (This does not concern the libsigsegv.so symlink in -devel subpackage; it should stay in /usr/lib.) (But it can be done only when libsigsegv builds again, dependency set.)
OK, can do.
Fixed in cvs, rebuild pending resolution of bug #511723
libsigsegv-2.6-5.fc12 built today.