Bug 1278452 - Remove a redundant null check in xpcom/glue/. r=froydnj.

There's another null check just a little earlier.

--HG--
extra : rebase_source : 24968e6bc5f12c3aa5d53711ebbb7f849c4501c3

xpcom/glue/nsTextFormatter.cpp

@@ -888,7 +888,7 @@ dosprintf(SprintfState* aState, const char16_t* aFmt, va_list aAp)
       }
 
       if (nas[i - 1].type == NumArgState::UNKNOWN) {
-        if (nas && (nas != nasArray)) {
+        if (nas != nasArray) {
           PR_DELETE(nas);
         }
         return -1;