Update the NaCl SDK C example to handle removing module from VarFromUtf8

BUG=106596
TEST=NaCl SDK Hello World C example builds and runs successfully.
TBR=noelallen1

Review URL: http://codereview.chromium.org/8883008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113557 0039d316-1c4b-4281-b951-d872f2087c98

native_client_sdk/src/examples/hello_world_c/hello_world_c.c

@@ -70,7 +70,7 @@ static char* VarToCStr(struct PP_Var var) {
  */
 static struct PP_Var CStrToVar(const char* str) {
   if (ppb_var_interface != NULL) {
-    return ppb_var_interface->VarFromUtf8(module_id, str, strlen(str));
+    return ppb_var_interface->VarFromUtf8(str, strlen(str));
   }
   return PP_MakeUndefined();
 }