patch 8.1.1046: the "secure" variable is used inconsistently

Problem:    the "secure" variable is used inconsistently. (Justin M. Keyes)
Solution:   Set it to one instead of incrementing.
diff --git a/src/version.c b/src/version.c
index 133fd3e..3a195e5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -776,6 +776,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1046,
+/**/
     1045,
 /**/
     1044,