patch 7.4.2225
Problem:    Crash when placing a sign in a deleted buffer.
Solution:   Check for missing buffer name. (Dominique Pelle). Add a test.
diff --git a/src/version.c b/src/version.c
index b047882..f4a340e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2225,
+/**/
     2224,
 /**/
     2223,