patch 8.1.1891: functions used in one file are global
Problem: Functions used in one file are global.
Solution: Add "static". (Yegappan Lakshmanan, closes #4840)
diff --git a/src/charset.c b/src/charset.c
index 12e10e1..50ca617 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -35,6 +35,8 @@
#define CT_ID_CHAR 0x20 /* flag: set for ID chars */
#define CT_FNAME_CHAR 0x40 /* flag: set for file name chars */
+static int in_win_border(win_T *wp, colnr_T vcol);
+
/*
* Fill g_chartab[]. Also fills curbuf->b_chartab[] with flags for keyword
* characters for current buffer.
@@ -1174,7 +1176,7 @@
* Return TRUE if virtual column "vcol" is in the rightmost column of window
* "wp".
*/
- int
+ static int
in_win_border(win_T *wp, colnr_T vcol)
{
int width1; /* width of first line (after line number) */