patch 8.1.2258: may get hit-enter prompt after entering a number

Problem:    May get hit-enter prompt after entering a number. (Malcolm Rowe)
Solution:   Put back accidentally deleted lines. (closes #5176)
diff --git a/src/version.c b/src/version.c
index 3a8e7ab..464de12 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2258,
+/**/
     2257,
 /**/
     2256,