patch 8.2.2930: when a popup is visible a mouse move my restart Visual mode
Problem: When a popup is visible a mouse move my restart Visual mode.
Solution: Reset held_button when ending Visual mode. (closes #8318)
diff --git a/src/proto/mouse.pro b/src/proto/mouse.pro
index f2a8c38..37a2f07 100644
--- a/src/proto/mouse.pro
+++ b/src/proto/mouse.pro
@@ -13,6 +13,7 @@
int jump_to_mouse(int flags, int *inclusive, int which_button);
void nv_mousescroll(cmdarg_T *cap);
void nv_mouse(cmdarg_T *cap);
+void reset_held_button(void);
int check_termcode_mouse(char_u *tp, int *slen, char_u *key_name, char_u *modifiers_start, int idx, int *modifiers);
int mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump, int *plines_cache);
win_T *mouse_find_win(int *rowp, int *colp, mouse_find_T popup);