Try to fix bug 2593

PseudoTerminal.m

@@ -1132,10 +1132,14 @@ NSString *sessionsKey = @"sessions";
     }
     if ([[PreferencePanel sharedInstance] windowNumber]) {
-        [[self window] setTitle:[NSString stringWithFormat:@"%d. %@", number_+1, title]];
-    } else {
-        [[self window] setTitle:title];
+        title = [NSString stringWithFormat:@"%d. %@", number_+1, title];
     }
+    
+    // In bug 2593, we see a crazy thing where setting the window title right
+    // after a window is created causes it to have the wrong background color.
+    // A delay of 0 doesn't fix it. I'm at wit's end here, so this will have to
+    // do until a better explanation comes along.
+    [[self window] performSelector:@selector(setTitle:) withObject:title afterDelay:0.1];
 }
 - (BOOL)tempTitle