Fix apt-get invocation in chroot_builder

Use the macro containing all the required parameters, instead of just using
"apt-get install".

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Klaus Aehlig <aehlig@google.com>

diff --git a/devel/build_chroot b/devel/build_chroot
index 38f27a6..0a91bf8 100755 (executable)
--- a/devel/build_chroot
+++ b/devel/build_chroot
@@ -205,7 +205,7 @@ in_chroot -- \
 
 #Tools for creating debian packages
 in_chroot -- \
-  apt-get install python-docutils debhelper quilt
+  $APT_INSTALL python-docutils debhelper quilt
 
 #Set default editor
 in_chroot -- \