patch 8.1.1130: MS-Windows: warning for unused variable

Problem:    MS-Windows: warning for unused variable.
Solution:   Remove the variable.
diff --git a/src/version.c b/src/version.c
index 5da9578..0052232 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1130,
+/**/
     1129,
 /**/
     1128,