Bug 214959 Xdefs.h not found while building with xft support on solaris

patch by selsky@columbia.edu r=blizzard sr=rbs

gfx/src/gtk/nsDeviceContextGTK.cpp

@@ -75,7 +75,6 @@
 #ifdef MOZ_ENABLE_XFT
 #include "nsFontMetricsUtils.h"
 #include <X11/Xlib.h>
-#include <X11/Xdefs.h>
 #include <X11/Xft/Xft.h>
 
 static PRInt32 GetXftDPI(void);

gfx/src/gtk/nsFontMetricsXft.h

@@ -45,7 +45,6 @@
 #include "nsIFontMetricsGTK.h"
 
 #include <X11/Xlib.h>
-#include <X11/Xdefs.h>
 #include <X11/Xft/Xft.h>
 
 class nsFontXft;

gfx/src/gtk/nsImageGTK.h

@@ -46,8 +46,6 @@
 #include <gdk/gdk.h>
 #include "nsRegion.h"
 
-#undef Bool
-
 class nsImageGTK : public nsIImage
 {
 public: