office/aigaion: Fixed SlackBuild.

Don't install to the build system (caused by using $PKG before
it's been defined).

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

office/aigaion/aigaion.SlackBuild

@@ -15,7 +15,6 @@ TAG=${TAG:-_SBo}
 
 MAJORVERSION=2
 DOCROOT=${DOCROOT:-/var/www/htdocs}
-ATTACH=${ATTACH:-$PKG/$DOCROOT/$PRGNAM$MAJORVERSION/attachments}
 
 PHPUSER=${PHPUSER:-root}
 PHPGROUP=${PHPGROUP:-apache}
@@ -57,7 +56,8 @@ cp -a $TMP/$PRGNAM$MAJORVERSION $PKG/$DOCROOT
 # install.zip is packed inside the main zip file
 cd $PKG/$DOCROOT/$PRGNAM$MAJORVERSION/install
 unzip install.zip
-mkdir -p $ATTACH
+
+mkdir -p ${ATTACH:-$PKG/$DOCROOT/$PRGNAM$MAJORVERSION/attachments}
 
 chown -R $PHPUSER:$PHPGROUP $PKG/$DOCROOT/$PRGNAM$MAJORVERSION