DRTVWR-476: Always clear both fields even if mOrigTarget invalid.

indra/llcommon/lltempredirect.cpp

@@ -122,12 +122,12 @@ void LLTempRedirect::reset()
         fhdup2(mOrigTarget, mReference);
         // mOrigTarget has served its purpose
         fhclose(mOrigTarget);
+    }
     // assign these because reset() is also responsible for a "moved from"
     // instance
     mOrigTarget = -1;
     mReference  = -1;
 }
-}
 
 LLTempRedirect& LLTempRedirect::operator=(LLTempRedirect&& other)
 {