patch 9.1.0461: too many strlen() calls in drawline.c

Problem:  too many strlen() calls in drawline.c
Solution: Refactor code to avoid strlen()
          (John Marriott)

closes: #14890

Signed-off-by: John Marriott <basilisk@internode.on.net>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index f8951af..13010a3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    461,
+/**/
     460,
 /**/
     459,