patch 9.0.1438: .fs files are falsely recognized as forth files

Problem:    .fs files are falsely recognized as forth files.
Solution:   Check 100 lines for something that looks like forth. (Johan
            Kotlinski, closes #12219, closes #11988)
diff --git a/src/version.c b/src/version.c
index 0e612ee..47ecd53 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1438,
+/**/
     1437,
 /**/
     1436,