phyp: Fix memory leak in phypUUIDTable_Push

@remote_file, allocated by virAsprintf, was not freed and leaked.
Signed-off-by: NZhipeng Lu <lu.zhipeng@zte.com.cn>

src/phyp/phyp_driver.c

@@ -568,6 +568,7 @@ phypUUIDTable_Push(virConnectPtr conn)
     ret = 0;
 
  cleanup:
+    VIR_FREE(remote_file);
     if (channel) {
         libssh2_channel_send_eof(channel);
         libssh2_channel_wait_eof(channel);