network/packETH: Small fix and disable warnings-as-errors.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

network/packETH/packETH.SlackBuild

@@ -61,7 +61,7 @@ mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
 rm -rf $PRGNAM-$VERSION
 tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
-cd $PRGNAM
+cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
@@ -69,6 +69,8 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+sed -i "s|\ -Werror||" cli/Makefile
+
 sed -i 's/^LIBS=/LIBS+=/' Makefile.am
 autoreconf -f -i