patch 9.0.1305: cursor in wrong line with virtual text above

Problem:    Cursor in wrong line with virtual text above.
Solution:   Count extra line for text property above/below. (closes #11959)
diff --git a/src/version.c b/src/version.c
index 26e8ab5..a26fd5d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1305,
+/**/
     1304,
 /**/
     1303,