patch 9.0.0548: reduce() with a compiled lambda could be faster

Problem:    reduce() with a compiled lambda could be faster.
Solution:   Call eval_expr_typval() instead of call_func() directly.

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    548,
 /**/
     547,
 /**/