[gcab] Avoid uninitialized values used around

[Marc-Andre Lureau <malureau src gnome org>]

commit 79035f7d85adf480bd6f8ed703c396af0b2af3ca
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Sun Jan 20 01:10:42 2013 +0100

    Avoid uninitialized values used around

 libgcab/cabinet.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgcab/cabinet.c b/libgcab/cabinet.c
index 7bf609e..8b95b39 100644
--- a/libgcab/cabinet.c
+++ b/libgcab/cabinet.c
@@ -186,6 +186,7 @@ cheader_read (cheader_t *ch, GDataInputStream *in,
         goto end;
     }
 
+    memset (ch, 0, sizeof (cheader_t));
     R4 (ch->res1);
     R4 (ch->size);
     R4 (ch->res2);