virt plugin: fix old-style function definitions

diff --git a/src/virt.c b/src/virt.c
index b9da68e..1340dba 100644 (file)
--- a/src/virt.c
+++ b/src/virt.c
@@ -833,7 +833,7 @@ refresh_lists (void)
 }
 
 static void
-free_domains ()
+free_domains (void)
 {
     int i;
 
@@ -866,7 +866,7 @@ add_domain (virDomainPtr dom)
 }
 
 static void
-free_block_devices ()
+free_block_devices (void)
 {
     int i;