dns: fix error cleanup in kill_existing()

Fixes: 3e66813db22918abd8da1da9a9ca4828bc59d589

diff --git a/src/dns-manager/nm-dns-plugin.c b/src/dns-manager/nm-dns-plugin.c
index f20f889..47322d2 100644 (file)
--- a/src/dns-manager/nm-dns-plugin.c
+++ b/src/dns-manager/nm-dns-plugin.c
@@ -109,7 +109,7 @@ kill_existing (const char *progname, const char *pidfile, const char *kill_match
        gs_free char *cmdline_contents = NULL;
        guint64 start_time;
        char proc_path[256];
-       gs_free GError *error = NULL;
+       gs_free_error GError *error = NULL;
 
        if (!pidfile)
                return;