patch 8.1.2274: newlines in 'balloonexpr' result only work in the GUI

Problem:    Newlines in 'balloonexpr' result only work in the GUI.
Solution:   Also recognize newlines in the terminal. (closes #5193)
diff --git a/src/version.c b/src/version.c
index 6b6d661..b6bbf98 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2274,
+/**/
     2273,
 /**/
     2272,