package/gloox: fix build on musl

Fixes:
 - http://autobuild.buildroot.org/results/a61a91bb6e1156eff5fb756f9dccfc2bb6c0f277

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/gloox/0001-src-connectiontcpserver-cpp-fix-musl.patch

@@ -0,0 +1,25 @@
+src/connectiontcpserver.cpp: fix musl build
+
+Build on musl fails on:
+
+connectiontcpserver.cpp:131:13: error: 'strerror' was not declared in this scope
+           + strerror( err ) + " (errno: " + util::int2string( err ) + ")";
+             ^~~~~~~~
+
+Fixes:
+ - http://autobuild.buildroot.org/results/a61a91bb6e1156eff5fb756f9dccfc2bb6c0f277
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://bugs.camaya.net/ticket/?id=291]
+
+diff -Nuar gloox-1.0.23-orig/src/connectiontcpserver.cpp gloox-1.0.23/src/connectiontcpserver.cpp
+--- gloox-1.0.23-orig/src/connectiontcpserver.cpp	2020-06-05 23:22:59.624018949 +0200
++++ gloox-1.0.23/src/connectiontcpserver.cpp	2020-06-05 23:26:20.708027221 +0200
+@@ -36,6 +36,7 @@
+ # include <resolv.h>
+ # include <netdb.h>
+ # include <arpa/inet.h>
++# include <string.h>
+ # include <sys/socket.h>
+ # include <sys/un.h>
+ # include <sys/select.h>