Bug 648904 - Bug 634218 breaks accessibility builds on Mac; r=surkov

accessible/src/mac/mozTextAccessible.mm

@@ -139,7 +139,7 @@ extern const NSString *kTopLevelUIElementAttribute;   // NSAccessibilityTopLevel
     return YES;
     
   if (mGeckoEditableTextAccessible)
-    return (mGeckoEditableTextAccessible->State() & states::READONLY) == 0;
+    return (mGeckoAccessible->State() & states::READONLY) == 0;
 
   return NO;
 

accessible/src/mac/nsAccessibleWrap.h

@@ -45,6 +45,7 @@
 
 #include "nsAccessible.h"
 #include "nsAccUtils.h"
+#include "States.h"
 
 #include "nsCOMPtr.h"
 #include "nsRect.h"