perl complains about the use of experimental smartmatch feature
if it is not declared.

Signed-off-by: Arne Fitzenreiter <arne_f(a)ipfire.org>
---
 config/cfgroot/network-functions.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config/cfgroot/network-functions.pl b/config/cfgroot/network-functions.pl
index 7bd6466e0..e94404f05 100644
--- a/config/cfgroot/network-functions.pl
+++ b/config/cfgroot/network-functions.pl
@@ -25,6 +25,7 @@ package Network;
 
 require "/var/ipfire/general-functions.pl";
 
+use experimental 'smartmatch';
 use Socket;
 
 # System ethernet configuration
-- 
2.17.1