Don't unpack mysql verbosely

I doubt we're interested in the filename of every single file contained in the mysql archive when it's decompressed. It bloats up the travis build log.
2014-12-20 11:32:15 +01:00 · 2014-12-20 11:32:15 +01:00 · 6cfced238c
commit 6cfced238c
parent 27c73d4e3e
1 changed files with 1 additions and 1 deletions
--- a/tools/checkout-deps.sh
+++ b/tools/checkout-deps.sh
@ -7,7 +7,7 @@ ismac=0
 iswin=0

 archive_ext=tar.gz
-decomp="tar zxvf"
+decomp="tar zxf"

 if [ `uname` = "Darwin" ]; then
  ismac=1