setup-all-dchroots: fix architecture list generation

diff --git a/modules/schroot/files/setup-all-dchroots b/modules/schroot/files/setup-all-dchroots
index ec98163..c6efbb1 100755 (executable)
--- a/modules/schroot/files/setup-all-dchroots
+++ b/modules/schroot/files/setup-all-dchroots
@@ -142,7 +142,7 @@ fi
 # get list of archs based on dpkg architecture
 ##########
 DPKGARCH=$(dpkg --print-architecture)
-archs="DPKGARCH"
+archs="$DPKGARCH"
 case "$DPKGARCH" in
     amd64)
         archs="$archs i386"