Correct comments to reflect that bug 460695 landed on 1.9.1.

--HG--
extra : transplant_source : %DBPU%C0M%FF%AEP%3Ae%0A%7DW%23%5E%D5%A9r%A6%1A

xpcom/build/nsXPCOMPrivate.h

@@ -197,7 +197,7 @@ typedef struct XPCOMFunctions{
     CStringSetIsVoidFunc cstringSetIsVoid;
     CStringGetIsVoidFunc cstringGetIsVoid;
 
-    // Added for Mozilla 1.9.2
+    // Added for Mozilla 1.9.1
     CycleCollectorSuspect2Func cycleSuspect2Func;
     CycleCollectorForget2Func cycleForget2Func;
 

xpcom/stub/nsXPComStub.cpp

@@ -122,7 +122,7 @@ static const XPCOMFunctions kFrozenFunctions = {
     &NS_CStringSetIsVoid_P,
     &NS_CStringGetIsVoid_P,
 
-    // these functions were added post 1.9.1
+    // these functions were added post 1.9
     &NS_CycleCollectorSuspect2_P,
     &NS_CycleCollectorForget2_P
 };