Use make to unzip kakadu

diff --git a/tools/travis-ci/install.sh b/tools/travis-ci/install.sh
index 9130ee95ea7601ad8e8565553709301167f32230..f487ed364b8d506cb0add96734cff0fa90bfca07 100755 (executable)
--- a/tools/travis-ci/install.sh
+++ b/tools/travis-ci/install.sh
@@ -51,7 +51,7 @@ chmod +x jpylyzer/jpylyzer/jpylyzer.py
 if [ "${OPJ_NONCOMMERCIAL:-}" == "1" ]; then
        if [ "${TRAVIS_OS_NAME:-}" == "linux" ]; then
                echo "Retrieving Kakadu"
-               wget -q http://kakadusoftware.com/wp-content/uploads/2014/06/KDU77_Demo_Apps_for_Linux-x86-64_150710.zip  | tar -x
+               wget -q http://kakadusoftware.com/wp-content/uploads/2014/06/KDU77_Demo_Apps_for_Linux-x86-64_150710.zip
                cmake -E tar -xf KDU77_Demo_Apps_for_Linux-x86-64_150710.zip
                mv KDU77_Demo_Apps_for_Linux-x86-64_150710 kdu
        fi