Added some obj-C methods that some versions of OSX were complaining about being missing

Author: julianstorer

choc/gui/choc_DesktopWindow.h

@@ -593,6 +593,20 @@ struct DesktopWindow::Pimpl
                              }),
                              "B@:@");
 
+            class_addMethod (delegateClass, sel_registerName ("methodSignatureForSelector:"),
+                             (IMP) (+[](id self, SEL _cmd, SEL selector) -> id
+                             {
+                                 return objc::callSuper<id> (self, "methodSignatureForSelector:", selector);
+                             }),
+                             "@@::");
+
+            class_addMethod (delegateClass, sel_registerName ("doesNotRecognizeSelector:"),
+                             (IMP) (+[](id self, SEL _cmd, SEL selector)
+                             {
+                                 objc::callSuper<void> (self, "doesNotRecognizeSelector:", selector);
+                             }),
+                             "v@::");
+
             objc_registerClassPair (delegateClass);
         }