Remove stray tabs from ril_worker.js. No bug, DONTBUILD.

dom/telephony/ril_worker.js

@@ -619,9 +619,9 @@ let RIL = {
     Buf.writeString(address);
     Buf.writeUint32(clirMode || 0);
     Buf.writeUint32(uusInfo || 0);
-	// TODO Why do we need this extra 0? It was put it in to make this
+    // TODO Why do we need this extra 0? It was put it in to make this
-	// match the format of the binary message.
+    // match the format of the binary message.
-	Buf.writeUint32(0);
+    Buf.writeUint32(0);
     Buf.sendParcel();
   },