fix multiple definition

Signed-off-by: shdluan <shdluan@163.com>

strongswan-multiple-definition.patch

@@ -0,0 +1,11 @@
+--- ./src/swanctl/swanctl.h.xiugai	2021-08-03 19:08:13.634660548 +0800
++++ ./src/swanctl/swanctl.h	2021-08-03 19:08:30.770825041 +0800
+@@ -30,7 +30,7 @@
+ /**
+  * Base directory for credentials and config
+  */
+-char *swanctl_dir;
++extern char *swanctl_dir;
+ 
+ /**
+  * Configuration file for connections, etc.

strongswan.spec

@@ -1,10 +1,13 @@
 Name:             strongswan
 Version:          5.7.2
-Release:          6
+Release:          7
 Summary:          An OpenSource IPsec-based VPN and TNC solution
 License:          GPLv2+
 URL:              http://www.strongswan.org/
 Source0:          http://download.strongswan.org/strongswan-%{version}.tar.bz2
+
+Patch0:	          strongswan-multiple-definition.patch
+
 BuildRequires:    gcc systemd-devel gmp-devel libcurl-devel NetworkManager-libnm-devel openldap-devel
 BuildRequires:    openssl-devel sqlite-devel gettext-devel trousers-devel libxml2-devel pam-devel
 BuildRequires:    json-c-devel libgcrypt-devel systemd-devel iptables-devel
@@ -170,6 +173,9 @@ install -d -m 700 %{buildroot}%{_sysconfdir}/strongswan/ipsec.d/{aacerts acerts
 %{_libexecdir}/strongswan/charon-nm
 
 %changelog
+* Mon Aug 4 2021 shdluan <shdluan@163.com> - 5.7.2-7
+- fix multiple defination of variable
+
 * Sat Jul 18 2020 yaokai13 <yaokai13@huawei.com> - 5.7.2-6
 - Unpack the merged package to fix the issue #l1N2UN