updated for version 7.3.281

Problem:    After using "expand('%:8')" the buffer name is changed.
Solution:   Make a copy of the file name before shortening it.

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    281,
 /**/
     280,
 /**/