patch 8.0.1097: background color wrong if job changes background color

Problem:    Background color wrong if job changes background color.
Solution:   Get the background color from vterm.
diff --git a/src/version.c b/src/version.c
index 08d8600..b7adf03 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1097,
+/**/
     1096,
 /**/
     1095,