Fix core package format to include repo

If testing is enabled, -Sp will give us testing URLs.
Use the $repo/$pkgname format for packages so we get
the right files

Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>

configs/install-iso/download-repo.sh

@@ -32,7 +32,8 @@ fi
 
 [ -d "$DEST" ] || mkdir -p "$DEST"
 
-PKGS=$(/usr/bin/pacman -Slq $REPO)
+#Ensure we have core/pkgname format, so we don't get crap from other repos
+PKGS=$(/usr/bin/pacman -Sl $REPO | cut -d' ' -f1,2 | tr ' ' '/')
 
 if [ -n "$PKGS" ]; then
     baseurl=""