fix typo

Author: steverhoades

travis-install.sh

@@ -3,7 +3,7 @@ set -e
 set -o pipefail
 
 # install 'libuv'
-git clone --recursive --depth=1:w https://github.com/joyent/libuv.git
+git clone --recursive --depth=1 https://github.com/joyent/libuv.git
 pushd libuv
 git checkout v1.0.0-rc2
 ./autogen.sh && ./configure && make && make install