(svn r14088) -Fix (r5994): librt isn't needed to be linked against explicitly as we don't use any functionality of it.

config.lib

@@ -1073,7 +1073,6 @@ make_cflags_and_ldflags() {
 
 	if [ "$os" != "CYGWIN" ] && [ "$os" != "FREEBSD" ] && [ "$os" != "OPENBSD" ] && [ "$os" != "MINGW" ] && [ "$os" != "MORPHOS" ] && [ "$os" != "OSX" ] && [ "$os" != "WINCE" ] && [ "$os" != "PSP" ] && [ "$os" != "OS2" ]; then
 		LIBS="$LIBS -lpthread"
-		LIBS="$LIBS -lrt"
 	fi
 
 	if [ "$os" != "CYGWIN" ] && [ "$os" != "MINGW" ] && [ "$os" != "WINCE" ]; then