patch 8.2.1881: cannot build with GTK3 Commit: https://github.com/vim/vim/commit/692d1a51e74fea2db3c7e9ae7c7c6c3a1a1945ee Author: Bram Moolenaar <Bram@vim.org> Date: Wed Oct 21 17:28:27 2020 +0200 patch 8.2.1881: cannot build with GTK3 Problem: Cannot build with GTK3. Solution: Adjust form functions.

/* auto/if_perl.c */
int perl_enabled(int verbose);
void perl_end(void);
void msg_split(char_u *s, int attr);
void perl_win_free(win_T *wp);
void perl_buf_free(buf_T *bp);
void ex_perl(exarg_T *eap);
void do_perleval(char_u *str, typval_T *rettv);
void ex_perldo(exarg_T *eap);