Cocoa: Suppress window resize animation

Disable the nice resize animation, to avoid drawing glitches
following a guest's screen size change.

Based on patch by Juha Riihimäki.
Signed-off-by: NAndreas Färber <andreas.faerber@web.de>
Cc: Juha Riihimäki <juha.riihimaki@nokia.com>
Cc: Alexander Graf <alex@csgraf.de>
Cc: Mike Kronenberg <mike.kronenberg@kronenberg.org>
Signed-off-by: Nmalc <av1474@comtv.ru>

cocoa.m

@@ -419,7 +419,7 @@ static int cocoa_keycode_to_qemu(int keycode)
     } else {
         if (qemu_name)
             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
-        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + screen.height, w, h + [normalWindow frame].size.height - screen.height) display:YES animate:YES];
+        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + screen.height, w, h + [normalWindow frame].size.height - screen.height) display:YES animate:NO];
     }
     screen.width = w;
     screen.height = h;