examples/get_pcr_pid.c: fix leaking of memory

The cleanup paths forgot to cleanup the allocated libdvbpsi handles.

examples/get_pcr_pid.c

@@ -227,21 +227,23 @@ int main( int i_argc, char **pp_argv )
     }
 
     for( int i = 0; i < MAX_PROGRAMS; i++)
+    {
+        if (p_pmt_dvbpsi_fds[i])
         {
             dvbpsi_DetachPMT(p_pmt_dvbpsi_fds[i]);
             dvbpsi_DeleteHandle(p_pmt_dvbpsi_fds[i]);
+        }
         p_pmt_dvbpsi_fds[i] = NULL;
     }
     result = EXIT_SUCCESS;
 
 out:
-    if (p_dvbpsi == NULL)
+    if (p_dvbpsi)
     {
       dvbpsi_DetachPAT(p_dvbpsi);
       dvbpsi_DeleteHandle(p_dvbpsi);
     }
     close( i_fd );
-    fprintf( stderr, "no PAT/PMT found\n" );
 
     return result;
 }