patch 9.0.1631: passing wrong variable type to option gives multiple errors

Problem:    Passing a wrong variable type to an option gives multiple errors.
Solution:   Bail out early on failure. (closes #12504)
diff --git a/src/version.c b/src/version.c
index 51e2e6e..71864d9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1631,
+/**/
     1630,
 /**/
     1629,