Allow compilation with rhel7 glibc

ocserv-0.10.6-path-mtu.patch

@@ -0,0 +1,13 @@
+diff --git a/src/worker-vpn.c b/src/worker-vpn.c
+index 7765e84..cf2a6b6 100644
+--- a/src/worker-vpn.c
++++ b/src/worker-vpn.c
+@@ -46,7 +46,7 @@
+ #include <c-ctype.h>
+ #include <worker-bandwidth.h>
+ 
+-#ifdef __linux__
++#if 0
+ /* for IPV6_PATHMTU */
+ # include <linux/in6.h>
+ #endif

ocserv.spec

@@ -17,6 +17,7 @@ Source4:	PACKAGE-LICENSING
 Source6:	ftp://ftp.infradead.org/pub/ocserv/%{name}-%{version}.tar.xz.sig
 Source7:	ocserv-genkey
 Source8:	ocserv-script
+Patch0:		ocserv-0.10.6-path-mtu.patch
 
 # Taken from upstream:
 # http://git.infradead.org/ocserv.git/commitdiff/7d70006a2dbddf783213f1856374bacc74217e09
@@ -74,6 +75,9 @@ to provide the secure VPN service.
 
 %prep
 %setup -q
+
+%patch0 -p1 -b .path-mtu
+
 rm -f src/http-parser/http_parser.c src/http-parser/http_parser.h
 rm -rf src/protobuf/
 rm -rf src/ccan/talloc