time: gmt offset; macos syscalls

vlib/time/time.v

@@ -79,6 +79,7 @@ struct C.tm {
 	tm_hour int
 	tm_min  int
 	tm_sec  int
+	tm_gmtoff int // seconds
 }
 
 fn C.time(int) C.time_t
@@ -106,7 +107,7 @@ pub fn convert_ctime(t tm) Time {
 		minute: t.tm_min
 		second: t.tm_sec
 		unix: C.mktime(&t)
-	}
+	}.add_seconds(t.tm_gmtoff)
 }
 
 // format_ss  returns a string for t in a given format YYYY-MM-DD HH:MM:SS in

vlib/time/time_test.v

@@ -22,14 +22,12 @@ fn test_is_leap_year() {
 }
 
 fn test_now_format() {
-	/*
 	t := time.now()
-	u:=t.uni
+	u:=t.unix
 	println(u)
 	println(t.format())
 	println(time.unix(u).format())
 	assert t.format() == time.unix(u).format()
-	*/
 }
 
 fn check_days_in_month(month, year, expected int) bool {
@@ -99,18 +97,6 @@ fn test_unix() {
 	assert t6.second == 29
 }
 
-fn test_unix2() {
-	/*
-	println(t.year)
-	assert t.year == 2019
-	assert t.month == 12
-	assert t.day == 31
-	assert t.hour == 8
-	assert t.minute == 9
-	assert t.second == 53
-	*/
-}
-
 fn test_format_ss() {
 	assert '11.07.1980 21:23:42' == time_to_test.get_fmt_str(.dot, .hhmmss24, .ddmmyyyy)
 }