Remove old (cmake-only) workaround for issue #1173.

CMakeLists.txt

@@ -200,9 +200,6 @@ Please see http://bitbucket.org/rude/megasource
 		${LOVE_LUA_LIBRARY}
 	)
 	
-	# Work-around for gcc bug 1568899.
-	set(LOVE_LINK_LIBRARIES ${LOVE_LINK_LIBRARIES} gcc_s gcc)
-
 	if(LOVE_MPG123)
 		find_package(MPG123 REQUIRED)
 		set(LOVE_LINK_LIBRARIES