Update coreutils port 8.29 -> 8.31

Ref #3421

repos/ports/ports/coreutils.hash

@@ -1 +1 @@
-0c59a98223ebc29b87276ea0bfcfa8892798cf32
+eb4c07d7422dd87f1ccc2c881da044307869dd98

repos/ports/ports/coreutils.port

@@ -1,9 +1,11 @@
 LICENSE   := GPLv3
-VERSION   := 8.29
+VERSION   := 8.31
 DOWNLOADS := coreutils.archive
 
 URL(coreutils) := https://ftp.gnu.org/gnu/coreutils/coreutils-$(VERSION).tar.xz
-SHA(coreutils) := 92d0fa1c311cacefa89853bdb53c62f4110cdfda3820346b59cbd098f40f955e
+SHA(coreutils) := ff7a9c918edce6b4f4b2725e3f9b37b0c4d193531cac49a48b56c4d0d3a9e9fd
 SIG(coreutils) := ${URL(coreutils)}.sig
 KEY(coreutils) := GNU
 DIR(coreutils) := src/noux-pkg/coreutils
+
+PATCHES := src/noux-pkg/coreutils/*.patch

repos/ports/src/noux-pkg/coreutils/minus_zero.patch

@@ -0,0 +1,11 @@
+--- src/noux-pkg/coreutils/lib/strtod.c.old	2019-06-17 14:49:59.094689000 +0200
++++ src/noux-pkg/coreutils/lib/strtod.c	2019-06-17 14:49:18.493604136 +0200
+@@ -302,7 +302,7 @@
+ }
+ # define minus_zero compute_minus_zero ()
+ #else
+-DOUBLE minus_zero = -0.0;
++static DOUBLE minus_zero = -0.0;
+ #endif
+ 
+ /* Convert NPTR to a DOUBLE.  If ENDPTR is not NULL, a pointer to the