patch 9.1.0580: :lmap mapping for keypad key not applied when typed in Select mode

Problem:  An :lmap mapping for a printable keypad key is not applied
          when typing it in Select mode.
Solution: Change keypad key to ASCII after setting vgetc_char.
          (zeertzjq)

closes: #15245

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index ac04272..b117443 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    580,
+/**/
     579,
 /**/
     578,