patch 8.2.1690: text properties not adjusted for "I" in Visual block mode

Problem:    Text properties not adjusted for "I" in Visual block mode.
Solution:   Call inserted_bytes().
diff --git a/src/proto/change.pro b/src/proto/change.pro
index badb19d..69ba2a6 100644
--- a/src/proto/change.pro
+++ b/src/proto/change.pro
@@ -9,6 +9,7 @@
 void invoke_listeners(buf_T *buf);
 void remove_listeners(buf_T *buf);
 void changed_bytes(linenr_T lnum, colnr_T col);
+void inserted_bytes(linenr_T lnum, colnr_T col, int added);
 void appended_lines(linenr_T lnum, long count);
 void appended_lines_mark(linenr_T lnum, long count);
 void deleted_lines(linenr_T lnum, long count);