patch 7.4.1705

Problem:    The 'guifont' option does not allow for a quality setting.
Solution:   Add the "q" item, supported on MS-Windows. (Yasuhiro Matsumoto)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1705,
 /**/
     1704,
 /**/