updated for version 7.3.428

Problem:    Win32: an xpm file without a mask crashes Vim.
Solution:   Fail when the mask is missing. (Dave Bodenstab)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    428,
 /**/
     427,
 /**/