patch 9.0.1226: spurious empty line when using text properties

Problem:    Spurious empty line when using text propertie and virtual text.
Solution:   Do not set "text_prop_follows" when the other text property is not
            virtual text. (closes #11846)
diff --git a/src/version.c b/src/version.c
index 6a11b7f..73211b6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1226,
+/**/
     1225,
 /**/
     1224,