patch 7.4.725

Problem:    ":call setreg('"', [])" reports an internal error.
Solution:   Make the register empty. (Yasuhiro Matsumoto)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    725,
 /**/
     724,
 /**/