Bug 418643 trivial follow-up: Remove unneded 'typedef' token, in 'typedef struct folderChildrenInfo { ...', to fix compiler warning. r=sdwilsh

toolkit/components/places/src/nsNavBookmarks.h

@@ -171,7 +171,7 @@ private:
   nsresult SetItemDateInternal(mozIStorageStatement* aStatement, PRInt64 aItemId, PRTime aValue);
 
   // Structure to hold folder's children informations
-  typedef struct folderChildrenInfo
+  struct folderChildrenInfo
   {
     PRInt64 itemId;
     PRUint16 itemType;