patch 9.0.1164: evaluating string expression advances function line

Problem:    Evaluating string expression advances function line.
Solution:   Disable function lines while parsing a string expression.
            (Hirohito Higashi, closes #11796)
diff --git a/src/version.c b/src/version.c
index 4fbd96d..1f808f3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1164,
+/**/
     1163,
 /**/
     1162,