[metacity] mark meta_exit function as noreturn

[Alberts Muktupāvels <muktupavels src gnome org>]

commit d2b6af2d2fcd029d734d68cb90898cc5252c6586
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 20 17:15:45 2015 +0300

    mark meta_exit function as noreturn

 src/include/main.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/include/main.h b/src/include/main.h
index d6bf96c..e23380e 100644
--- a/src/include/main.h
+++ b/src/include/main.h
@@ -31,7 +31,7 @@ typedef enum
 } MetaExitCode;
 
 /* exit immediately */
-void meta_exit (MetaExitCode code);
+void meta_exit (MetaExitCode code) __attribute__((noreturn));
 
 /* g_main_loop_quit() then fall out of main() */
 void meta_quit (MetaExitCode code);