blktap2: Fix compile warning with gcc4.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/tools/blktap2/vhd/lib/vhd-util-check.c b/tools/blktap2/vhd/lib/vhd-util-check.c
index b6bb1b7c52bb924e70a20ac7a4b589c0e6f86897..59a1a4732930deb954679911c3f4cba36cc5af67 100644 (file)
--- a/tools/blktap2/vhd/lib/vhd-util-check.c
+++ b/tools/blktap2/vhd/lib/vhd-util-check.c
@@ -810,6 +810,7 @@ vhd_util_check_vhd(const char *name, int ignore)
 
        fd = -1;
        memset(&vhd, 0, sizeof(vhd));
+        memset(&footer, 0, sizeof(footer));
 
        err = stat(name, &stats);
        if (err == -1) {