If pl->stk can be NULL on line <n>, it can also be NULL on line <n>-1. (The alternative is to remove the check one line lower, but this is safer.) Found by Coverity.
If pl->stk can be NULL on line <n>, it can also be NULL on line <n>-1.
(The alternative is to remove the check one line lower, but this is safer.)
Found by Coverity.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb