patch 7.4.2276

Problem:    Command line test fails on Windows when run twice.
Solution:   Wipe the buffer so that the directory can be deleted.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2276,
 /**/
     2275,
 /**/