patch 8.1.0666: text property test fails

Problem:    Text property test fails.
Solution:   Update screenshot.
diff --git a/src/version.c b/src/version.c
index ce53f2e..ed29c8b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -800,6 +800,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    666,
+/**/
     665,
 /**/
     664,