build gcc warning

[Pavel Stehule]

Hi

I got new warning

 -o session.bc session.c
analyze.c: In function ‘transformStmt’:
analyze.c:550:21: warning: ‘sub_rteperminfos’ may be used uninitialized
[-Wmaybe-uninitialized]
  550 |         List       *sub_rteperminfos;
      |                     ^~~~~~~~~~~~~~~~

<-->if (isGeneralSelect)
<-->{
<--><-->sub_rtable = pstate->p_rtable;
<--><-->pstate->p_rtable = NIL;
<--><-->sub_rteperminfos = pstate->p_rteperminfos;
<--><-->pstate->p_rteperminfos = NIL;
<--><-->sub_namespace = pstate->p_namespace;
<--><-->pstate->p_namespace = NIL;
<-->}
<-->else
<-->{
<--><-->sub_rtable = NIL;<-><-->/* not used, but keep compiler quiet */
<--><-->sub_namespace = NIL;
           --- missing sub_rteperminfos
<-->}

Regards

Pavel