system/evdi-kernel: Fix for exported ARCH variable.

Signed-off-by: David Spencer <idlemoor@slackbuilds.org>

system/evdi-kernel/evdi-kernel.SlackBuild

@@ -29,6 +29,7 @@ TAG=${TAG:-_SBo}
 
 KERNEL=${KERNEL:-$(uname -r)}
 KERNELPATH=${KERNELPATH:-/lib/modules/$KERNEL/build}
+PKGVER=${VERSION}_$(echo $KERNEL | tr - _)
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
@@ -48,7 +49,7 @@ set -e
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
-rm -rf $PRGNAM-$VERSION
+rm -rf evdi-$VERSION
 tar xvf $CWD/evdi-$VERSION.tar.gz
 cd evdi-$VERSION
 chown -R root:root .
@@ -59,7 +60,7 @@ find -L . \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 pushd module
-make KERN_DIR=${KERNELPATH}
+env -u ARCH make KERN_DIR=${KERNELPATH}
 popd
 
 mkdir -p $PKG/lib/modules/$KERNEL/misc
@@ -76,4 +77,4 @@ cat $CWD/slack-desc > $PKG/install/slack-desc
 sed "s%@KERNEL@%$KERNEL%" $CWD/doinst.sh > $PKG/install/doinst.sh
 
 cd $PKG
-/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$PKGVER-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}