Bug 1057140 - Revert JS_realloc bustage from bug 1033442; r=sfink

js/xpconnect/src/XPCLocale.cpp

@@ -213,8 +213,9 @@ private:
           // nsIUnicodeDecoder::Convert may use fewer than srcLength PRUnichars
           if (unicharLength + 1 < srcLength + 1) {
             char16_t *shrunkUnichars =
-              static_cast<char16_t *>(JS_realloc(cx, unichars, srcLength + 1,
-                                                 unicharLength + 1));
+              (char16_t *)JS_realloc(cx, unichars,
+                                     (srcLength + 1) * sizeof(char16_t),
+                                     (unicharLength + 1) * sizeof(char16_t));
             if (shrunkUnichars)
               unichars = shrunkUnichars;
           }