winemac: Leave a window in auto-display mode when it doesn't yet have a display link.

This fixes an issue where some windows (on some systems) would never display
their content area.  If they had a title bar, they'd just display that and
nothing else.

Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/winemac.drv/cocoa_window.m

@@ -2427,6 +2427,8 @@ - (void) setViewsNeedDisplay:(BOOL)value
                     _lastDisplayTime = now;
                 }
             }
+            else
+                [self setAutodisplay:YES];
         }
         [super setViewsNeedDisplay:value];
     }
@@ -2435,14 +2437,16 @@ - (void) display
     {
         _lastDisplayTime = [[NSProcessInfo processInfo] systemUptime];
         [super display];
-        [self setAutodisplay:NO];
+        if (_lastDisplayID)
+            [self setAutodisplay:NO];
     }
 
     - (void) displayIfNeeded
     {
         _lastDisplayTime = [[NSProcessInfo processInfo] systemUptime];
         [super displayIfNeeded];
-        [self setAutodisplay:NO];
+        if (_lastDisplayID)
+            [self setAutodisplay:NO];
     }
 
     - (void) windowDidDrawContent