patch 9.0.1335: no test for bad use of spaces in help files

Problem:    No test for bad use of spaces in help files.
Solution:   Add checks for use of spaces in help files.  Ignore intentional
            spaces. (Hirohito Higashi, closes #11952)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1335,
 /**/
     1334,
 /**/