patch 7.4.2006
Problem:    Crash when using tabnext in BufUnload autocmd. (Norio Takagi)
Solution:   First check that the current buffer is the right one. (Hirohito
            Higashi)
diff --git a/src/version.c b/src/version.c
index a326ecb..89e8c7f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2006,
+/**/
     2005,
 /**/
     2004,