poco: update to version 1.8.1

Fix
CVE-2017-1000472 - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000472

Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>

libs/poco/Makefile

@@ -9,12 +9,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=poco
-PKG_VERSION:=1.7.7
+PKG_VERSION:=1.8.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://pocoproject.org/releases/$(PKG_NAME)-$(PKG_VERSION)
-PKG_HASH:=17783e30f5ef9c852544ac0e9d1fd316c4804317026059a9d6aad798b61c77f8
+PKG_HASH:=2e4c07ac73174ee06c7e2c7cf2b7642a5b3aea81d0203e1c069b32ac4a8ecfbc
 
 PKG_LICENSE:=BSL-1.0
 PKG_LICENSE_FILES:=LICENSE

libs/poco/patches/200-strerror.patch

@@ -1,11 +1,11 @@
 --- a/Foundation/src/Error.cpp
 +++ b/Foundation/src/Error.cpp
-@@ -66,7 +66,7 @@
-		   without -D_GNU_SOURCE is needed, otherwise the GNU version is
-		   preferred.
-		*/
--#if defined _GNU_SOURCE && !POCO_ANDROID
-+#if (defined _GNU_SOURCE && (defined __GLIBC__ || defined __UCLIBC__)) && !POCO_ANDROID
-		char errmsg[256] = "";
-		return std::string(strerror_r(errorCode, errmsg, 256));
- #elif (_XOPEN_SOURCE >= 600) || POCO_ANDROID
+@@ -70,7 +70,7 @@ namespace Poco {
+
+ #if (_XOPEN_SOURCE >= 600) || POCO_ANDROID || __APPLE__
+ 			setMessage(strerror_r(err, _buffer, sizeof(_buffer)));
+-#elif _GNU_SOURCE
++#elif (_GNU_SOURCE && (defined __GLIBC__ || defined __UCLIBC__))
+ 			setMessage(strerror_r(err, _buffer, sizeof(_buffer)));
+ #else
+ 			setMessage(strerror(err));