patch 8.1.1623: display wrong with signs in narrow number column

Problem:    Display wrong with signs in narrow number column.
Solution:   Increase the numbercolumn width if needed. (Yegappan Lakshmanan,
            closes #4606)
diff --git a/src/version.c b/src/version.c
index efad64c..8e2399f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1623,
+/**/
     1622,
 /**/
     1621,