patch 9.0.0935: when using dash it may not be recognize as filetype "sh"

Problem:    When using dash it may not be recognize as filetype "sh".
Solution:   Add checks for "dash". (Eisuke Kawashima,closes #11600)
diff --git a/src/version.c b/src/version.c
index 55f363f..42a7e46 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    935,
+/**/
     934,
 /**/
     933,