libraries/SFGUI: Fix for gcc >= 11.x.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

libraries/SFGUI/SFGUI.SlackBuild

@@ -66,6 +66,8 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+sed -i '/#include <SFML\/Window\/Event.hpp>/a #include <limits>' src/SFGUI/ComboBox.cpp
+
 mkdir -p build
 cd build
   cmake \