patch 7.4.1606

Problem:    Having type() handle a Funcref that is or isn't a partial
            differently causes problems for existing scripts.
Solution:   Make type() return the same value. (Thinca)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1606,
 /**/
     1605,
 /**/