Move Leopard-specific type definitions to gdkquartz.h

Update includes subsequently where it matters.  Fixes build on Mac OS
X 10.4.

(cherry picked from commit e634f3fbe0)

gdk/quartz/GdkQuartzView.c

@@ -23,6 +23,7 @@
 #include "gdkregion-generic.h"
 #include "gdkwindow-quartz.h"
 #include "gdkprivate-quartz.h"
+#include "gdkquartz.h"
 
 @implementation GdkQuartzView
 

gdk/quartz/gdkprivate-quartz.h

@@ -27,6 +27,7 @@
 #include <gdk/gdkprivate.h>
 #include <gdk/quartz/gdkpixmap-quartz.h>
 #include <gdk/quartz/gdkwindow-quartz.h>
+#include <gdk/quartz/gdkquartz.h>
 
 #include <gdk/gdk.h>
 

gdk/quartz/gdkquartz.h

@@ -26,6 +26,19 @@
 
 G_BEGIN_DECLS
 
+/* NSInteger only exists in Leopard and newer.  This check has to be
+ * done after inclusion of the system headers.  If NSInteger has not
+ * been defined, we know for sure that we are on 32-bit.
+ */
+#ifndef NSINTEGER_DEFINED
+typedef int NSInteger;
+typedef unsigned int NSUInteger;
+#endif
+
+#ifndef CGFLOAT_DEFINED
+typedef float CGFloat;
+#endif
+
 NSWindow *gdk_quartz_window_get_nswindow                        (GdkWindow      *window);
 NSView   *gdk_quartz_window_get_nsview                          (GdkWindow      *window);
 NSImage  *gdk_quartz_pixbuf_to_ns_image_libgtk_only             (GdkPixbuf      *pixbuf);

gdk/quartz/gdkwindow-quartz.h

@@ -25,19 +25,6 @@
 #import <gdk/quartz/GdkQuartzView.h>
 #import <gdk/quartz/GdkQuartzWindow.h>
 
-/* NSInteger only exists in Leopard and newer.  This check has to be
- * done after inclusion of the system headers.  If NSInteger has not
- * been defined, we know for sure that we are on 32-bit.
- */
-#ifndef NSINTEGER_DEFINED
-typedef int NSInteger;
-typedef unsigned int NSUInteger;
-#endif
-
-#ifndef CGFLOAT_DEFINED
-typedef float CGFloat;
-#endif
-
 G_BEGIN_DECLS
 
 /* Window implementation for Quartz

gtk/gtkquartz.c

@@ -21,6 +21,7 @@
 #include "config.h"
 
 #include "gtkquartz.h"
+#include <gdk/quartz/gdkquartz.h>
 #include "gtkalias.h"
 
 NSImage *