Initialize a variable.

If no -w flag is supplied, it's not set by the argument parsing code, so
we need to initialize it to null first.

diff --git a/testprogs/writecaptest.c b/testprogs/writecaptest.c
index 947904a3ff66c6115108432d51142e56ed243a1e..3c12f241b96a67cc4ae9d8c537f2c5e9231b9c6d 100644 (file)
--- a/testprogs/writecaptest.c
+++ b/testprogs/writecaptest.c
@@ -82,7 +82,7 @@ int
 main(int argc, char **argv)
 {
        register int op;
-       register char *cp, *cmdbuf, *device, *savefile;
+       register char *cp, *cmdbuf, *device, *savefile = NULL;
        pcap_if_t *devlist;
        int show_dlt_types = 0;
        int ndlts;