patch 9.0.1431: getscriptinfo() loops even when specific SID is given

Problem:    getscriptinfo() loops even when specific SID is given.
Solution:   Only loop when needed.  Give a clearer error message.
            (closes #12207)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1431,
 /**/
     1430,
 /**/