patch 9.0.0488: cursor wrong with virtual text "above" and 'showbreak'

Problem:    Cursor in wrong position with virtual text "above" and
            'showbreak'.
Solution:   Take the first character column into account. (closes #11149)
diff --git a/src/version.c b/src/version.c
index a8d0f48..93e706d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    488,
+/**/
     487,
 /**/
     486,