vtest-cleancode: add builtin/map.v to fmt list (#7285)

cmd/tools/vtest-cleancode.v

@@ -21,6 +21,7 @@ const (
 		'cmd/tools/vdoc.v'
 		'cmd/v/v.v',
 		'vlib/builtin/array.v',
+		'vlib/builtin/map.v',
 		'vlib/os/file.v',
 		'vlib/math/bits/bits.v',
 		'vlib/time/time.v',

vlib/builtin/map.v

@@ -119,7 +119,7 @@ fn new_dense_array(key_bytes int, value_bytes int) DenseArray {
 		len: 0
 		deletes: 0
 		all_deleted: 0
-		data: malloc(cap * slot_bytes) 
+		data: malloc(cap * slot_bytes)
 	}
 }