patch 8.1.1958: old style comments taking up space

Problem:    Old style comments taking up space.
Solution:   Change to new style comments.
diff --git a/src/version.c b/src/version.c
index 89922c2..14842cd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1958,
+/**/
     1957,
 /**/
     1956,