Couple of 10.4 OSX fixes.

modules/juce_events/native/juce_mac_MessageManager.mm

@@ -85,9 +85,9 @@ public:
     }
 
     MessageQueue messageQueue;
+    id delegate;
 
 private:
-    id delegate;
     CFRunLoopRef runLoop;
     CFRunLoopSourceRef runLoopSource;
 

modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm

@@ -1532,7 +1532,7 @@ private:
             return true;
 
         objc_super s = { self, [NSView class] };
-        return objc_msgSendSuper (&s, @selector (performKeyEquivalent:), ev);
+        return objc_msgSendSuper (&s, @selector (performKeyEquivalent:), ev) != nil;
     }
     #endif