Merge pull request #373 from pi-hole/fix/client-name-new-flag

Don't forget to reset "new" flag on client struct when name is resolved

resolve.c

@@ -89,6 +89,7 @@ void reresolveHostnames(void)
 
 			// Store client hostname
 			clients[clientID].name = strdup(hostname);
+			clients[clientID].new = false;
 		}
 		free(hostname);
 	}