Silence warnings

Source/headlesslib/HeadlessFontEnumerator.m

@@ -31,6 +31,9 @@
 #include "headlesslib/HeadlessFontEnumerator.h"
 #include "headlesslib/HeadlessFontInfo.h"
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wobjc-method-access"
+
 @implementation HeadlessFontEnumerator
 
 + (Class) faceInfoClass
@@ -48,3 +51,5 @@
 }
 
 @end
+
+#pragma GCC diagnostic pop

Source/headlesslib/HeadlessSurface.m

@@ -55,11 +55,16 @@
   [self subclassResponsibility:_cmd];
 }
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmismatched-return-types"
+
 - (cairo_surface_t *) surface
 {
   return _surface;
 }
 
+#pragma GCC diagnostic pop
+
 - (void) handleExposeRect: (NSRect)rect
 {
 }

Source/xheadless/HeadlessServerWindow.m

@@ -89,12 +89,12 @@ void __objc_xgcontextwindow_linking (void)
 
 /*
  * The next two functions derived from WindowMaker by Alfredo K. Kojima
- */
 static unsigned char*PropGetCheckProperty(Display *dpy, Window window, Atom hint, Atom type,
 		     int format, int count, int *retCount)
 {
   return NULL;
 }
+ */
 
 /*
  * Setting Motif Hints for Window Managers (Nicola Pero, July 2000)
@@ -411,7 +411,10 @@ Bool _get_next_prop_new_event(Display *display, XEvent *event, char *arg)
 {
 }
 
-- (NSInteger) window: (NSRect)frame : (NSBackingStoreType)type : (unsigned int)style : (int)screen
+- (NSInteger) window: (NSRect)frame
+		    : (NSBackingStoreType)type
+		    : (unsigned int)style
+		    : (int)screen
 {
   gswindow_device_t	*window;