bug fix: make sure we actually get wheezy

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

scripts/wheezy-preseed.cfg

@@ -3,6 +3,11 @@
 d-i apt-setup/non-free boolean true
 d-i apt-setup/contrib boolean true
 
+#Make sure we get Wheezy as 20120712 was picking up sid...
+#This bug, looked like a server issue, so it may just disapear on the next britney run...
+d-i mirror/codename string wheezy
+d-i mirror/suite string wheezy
+
 # Individual additional packages to install
 d-i pkgsel/include string uboot-mkimage pastebinit initramfs-tools wget firmware-linux ntpdate bash fbset