[glib] Remove unnecessary includes

[Matthias Clasen <matthiasc src gnome org>]

commit d0e2865a2ed237be1867b212cba6740e7f15fbc0
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 22 19:31:30 2011 -0500

    Remove unnecessary includes
    
    These were meant for some other test that ended up not getting
    added. This fixes bug 664559.

 glib/tests/mainloop.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/glib/tests/mainloop.c b/glib/tests/mainloop.c
index 2151a27..fc6f291 100644
--- a/glib/tests/mainloop.c
+++ b/glib/tests/mainloop.c
@@ -21,9 +21,6 @@
  */
 
 #include <glib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <signal.h>
 
 static gboolean cb (gpointer data)
 {