Ensure Lua stack has enough elements in `lstring_iconv()`; src/textadept.c Thanks to Gilles for pointing out that I left this part out of his patch.
Ensure Lua stack has enough elements in `lstring_iconv()`; src/textadept.c
Thanks to Gilles for pointing out that I left this part out of his patch.

rgieseke/textadept,rgieseke/textadept