Fix command option

pkg/import.sh

@@ -5,7 +5,7 @@ PROJDIR="$(cd "$(dirname "${0}")/../" && pwd)"
 if [ ! -d "${PROJDIR}/lib/qtlib" ]; then
     #git clone https://github.com/akiraohgaki/qtlib.git "${PROJDIR}/lib/qtlib"
     curl -L -o qtlib-master.tar.gz https://github.com/akiraohgaki/qtlib/archive/master.tar.gz
-    tar -xz qtlib-master.tar.gz
+    tar -xzvf qtlib-master.tar.gz
     mv qtlib-master "${PROJDIR}/lib/qtlib"
     rm qtlib-master.tar.gz
 fi