patch 8.2.1018: typo in enum value

Problem:    Typo in enum value. (James McCoy)
Solution:   Fix the typo.
diff --git a/src/version.c b/src/version.c
index 323f4b0..fdb7c9f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1018,
+/**/
     1017,
 /**/
     1016,