gentoo-overlay/games-arcade/xbubble/files/xbubble-0.5.8-xpaths.patch

the x_libraries variable isnt always defined
http://bugs.gentoo.org/92688

--- configure
+++ configure
@@ -4511,3 +4511,5 @@
 fi
+if test x"$x_libraries" != x; then
 LIBS="-L$x_libraries $LIBS"
+fi