s/nsCheapVoidArray/nsSmallVoidArray/

Fixing tinderbox bustage caused by bug 96108

content/svg/content/src/nsSVGValue.h

@@ -77,7 +77,7 @@ protected:
   void NotifyObservers(SVGObserverNotifyFunction f);
   
 private:
-  nsCheapVoidArray mObservers;
+  nsSmallVoidArray mObservers;
   PRInt32 mModifyNestCount;
 };