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/change.c b/src/change.c
index f83587d..23c9587 100644
--- a/src/change.c
+++ b/src/change.c
@@ -666,7 +666,7 @@
* Like changed_bytes() but also adjust text properties for "added" bytes.
* When "added" is negative text was deleted.
*/
- void
+ static void
inserted_bytes(linenr_T lnum, colnr_T col, int added UNUSED)
{
#ifdef FEAT_TEXT_PROP