patch 7.4.1526

Problem:    Writing to file and not connecting a channel doesn't work for
            MS-Windows.
Solution:   Make it work. (Yasuhiro Matsumoto)

src/version.c

@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1526,
 /**/
     1525,
 /**/