patch 8.1.0411: renamed file missing from distribution

Problem:    Renamed file missing from distribution.
Solution:   Rename screen.c to termscreen.c (Zdenek Dohnal, closes #3449)
diff --git a/src/version.c b/src/version.c
index 10d8e49..e6cb7ba 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    411,
+/**/
     410,
 /**/
     409,