fix a compiler warning

diff --git a/interface.c b/interface.c
index ef176f64b99415f57ff80e8908b6f5c1a8b668b3..057616669cafaa040b85237ffc638dc03f2a51fa 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -26,7 +26,7 @@ void interface_add_error(struct interface *iface, const char *subsystem,
 {
        struct interface_error *error;
        int i, len = 0;
-       int *datalen;
+       int *datalen = NULL;
        char *dest;
 
        if (n_data) {