patch 8.1.2209: LF in escape codes may be expanded to CR-LF

Problem:    LF in escape codes may be expanded to CR-LF.
Solution:   Do not expand LF in escape codes to CR-LF. (closes #5107)
diff --git a/src/version.c b/src/version.c
index 64cae46..728fa47 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2209,
+/**/
     2208,
 /**/
     2207,