cbfstool: Fill memory allocated in create_cbfs_file() with 0xff

This should improve programming speed a bit.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4975 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/util/cbfstool/common.c b/util/cbfstool/common.c
index e87bc65b..dd675ca 100644
--- a/util/cbfstool/common.c
+++ b/util/cbfstool/common.c
@@ -279,6 +279,7 @@
 		       headersize);
 		exit(1);
 	}
+	memset(newdata, 0xff, *datasize + headersize);
 	struct cbfs_file *nextfile = (struct cbfs_file *)newdata;
 	strncpy(nextfile->magic, "LARCHIVE", 8);
 	nextfile->len = htonl(*datasize);