updated for version 7.3.742

Problem:    Leaking memory when :vimgrep restores the directory.
Solution:   Free the allocated memory. (Christian Brabandt)

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    742,
 /**/
     741,
 /**/