Fixing build warnings due to us null-checking a pointer that's never null. No bug.

intl/unicharutil/util/nsCompressedCharMap.cpp

@@ -572,8 +572,9 @@ MapToCCMapExt(PRUint32* aBmpPlaneMap, PRUint32** aOtherPlaneMaps, PRUint32 aOthe
   for (i = 0; i < aOtherPlaneNum; i++) {
     if (aOtherPlaneMaps[i]) {
       otherPlaneObj[i] = new nsCompressedCharMap();
-      NS_ASSERTION(otherPlaneObj, "unable to create new nsCompressedCharMap");
-      if(otherPlaneObj) {
+      NS_ASSERTION(otherPlaneObj[i],
+                   "unable to create new nsCompressedCharMap");
+      if(otherPlaneObj[i]) {
         otherPlaneObj[i]->SetChars(aOtherPlaneMaps[i]);
         totalSize += otherPlaneObj[i]->GetSize();
       }