patch 9.1.1143: illegal memory access when putting a register

Problem:  illegal memory access when putting a register
Solution: make sure cursor column doesn't become negative

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 2dfd4c8..07bede5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1143,
+/**/
     1142,
 /**/
     1141,