File 0006-Resolve-multiple-definition-of-swanctl_dir.patch of Package strongswan

diff -Naur strongswan-5.8.2.orig/src/swanctl/swanctl.h strongswan-5.8.2/src/swanctl/swanctl.h
--- strongswan-5.8.2.orig/src/swanctl/swanctl.h	2018-12-14 16:48:24.000000000 +0100
+++ strongswan-5.8.2/src/swanctl/swanctl.h	2020-03-26 07:54:21.876224209 +0100
@@ -30,7 +30,7 @@
 /**
  * Base directory for credentials and config
  */
-char *swanctl_dir;
+extern char *swanctl_dir;
 
 /**
  * Configuration file for connections, etc.