Update libart_lgpl.SlackBuild

Deps/libart_lgpl/libart_lgpl.SlackBuild

@@ -171,9 +171,9 @@ cat $SRCDIR/slack-desc > $PKG/install/slack-desc
 cd $PKG
 makepkg --linkadd y --chown n $OUTPUT/${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}
 cd $OUTPUT
-md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}.md5
+md5sum ${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} > ${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}.md5
 cd -
-cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt
+cat $PKG/install/slack-desc | grep "^${PKGNAME}" > $OUTPUT/${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt
 
 # Restore the original umask:
 umask ${_UMASK_}