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/testdir/test_viml.vim

@@ -942,6 +942,7 @@ func Test_type()
     call assert_equal(0, type(0))
     call assert_equal(1, type(""))
     call assert_equal(2, type(function("tr")))
+    call assert_equal(2, type(function("tr", [8])))
     call assert_equal(3, type([]))
     call assert_equal(4, type({}))
     call assert_equal(5, type(0.0))