tests: pass z to tar so that BSD tar will know to ungzip

diff --git a/Makefile b/Makefile
index 0b29820cae1831fe732bc716daa93225d773e5c7..6217d57e13cee81cca906550ac9704c52fb21df9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -274,7 +274,7 @@ find-trailing-spaces:
 fetch-and-unpack-deps:
        test -f tahoe-deps.tar.gz || wget http://allmydata.org/source/tahoe/deps/tahoe-deps.tar.gz
        rm -rf tahoe-deps
-       tar xf tahoe-deps.tar.gz
+       tar xzf tahoe-deps.tar.gz
 
 test-desert-island:
        $(MAKE) fetch-and-unpack-deps