fix untar of sounds on non linux (FSBUILD-31)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7117 d0543943-73ff-0310-b7d9-9358b9ac24b2

build/getsounds.sh.in

@@ -29,7 +29,7 @@ fi
 
 if [ ! -z $install ] ; then
    test -d $install || mkdir $install
-   cd $install && $ZCAT -c -d $DIR/$tarfile | $TAR x
+   cd $install && $ZCAT -c -d $DIR/$tarfile | $TAR xf -
 fi
 
 exit 0