Add gslist.h in gconstructor.h, where G_DEFINE_CONSTRUCTOR is defined

glib/gconstructor.h

@@ -29,6 +29,7 @@
 /* Visual studio 2008 and later has _Pragma */
 
 #include <stdlib.h>
+#include "gslist.h" /* for g_slist_find */
 
 #define G_HAS_CONSTRUCTORS 1
 

glib/glib-init.c

@@ -19,13 +19,12 @@
 
 #include "config.h"
 
-#include "gconstructor.h"
 #include "glib-init.h"
 #include "gmacros.h"
-#include "gmem.h"   /* for g_mem_gc_friendly */
-#include "gslist.h" /* for g_slist_find */
 #include "gtypes.h"
-#include "gutils.h" /* for GDebugKey */
+#include "gutils.h"     /* for GDebugKey */
+#include "gconstructor.h"
+#include "gmem.h"       /* for g_mem_gc_friendly */
 
 #include <string.h>
 #include <stdlib.h>