Silence compiler warning, hopefully.

tglsfdc · tglsfdc · commit 533522846ba0 · 2019-07-19T14:49:05.000-04:00
Absorb commit e5e04c962a5d12eebbf867ca25905b3ccc34cbe0 from upstream IANA code, in hopes of silencing warnings from MSVC about negating a bool value. Discussion: https://postgr.es/m/20190719035347.GJ1859@paquier.xyz
diff --git a/src/timezone/zic.c b/src/timezone/zic.c
@@ -2398,7 +2398,7 @@ writezone(const char *const name, const char *const string, char version,
 		if (pass == 1 && !want_bloat())
 		{
 			utcnt = stdcnt = thisleapcnt = 0;
-			thistimecnt = -locut - hicut;
+			thistimecnt = -(locut + hicut);
 			thistypecnt = thischarcnt = 1;
 			thistimelim = thistimei;
 		}

Original file line number	Diff line number	Diff line change
`@@ -2398,7 +2398,7 @@ writezone(const char const name, const char const string, char version,`
`2398`	`2398`	`if (pass == 1 && !want_bloat())`
`2399`	`2399`	`{`
`2400`	`2400`	`utcnt = stdcnt = thisleapcnt = 0;`
`2401`		`- thistimecnt = -locut - hicut;`
	`2401`	`+ thistimecnt = -(locut + hicut);`
`2402`	`2402`	`thistypecnt = thischarcnt = 1;`
`2403`	`2403`	`thistimelim = thistimei;`
`2404`	`2404`	`}`