Installation permission bugs fixed.

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@842 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/build/unix_installer/install.sh.in

@@ -242,8 +242,14 @@ for PACKAGE in `selected_packages`; do
 	COMPFILE="$(package_filename $PACKAGE)"
 	eval LOCATION="\$UQM_PACKAGE_${PACKAGE}_LOCATION"
 	unzip -od "${PREFIX}${LOCATION}" "$COMPFILE"
+
+	# Next line is a workaround, as the content zips have files
+	# with the wrong permissions in them. Should be fixed for the
+	# next release.
+	chmod go+rX "${PREFIX}${LOCATION}"
 done
 
+
 echo "Unpacking other stuff..."
 tail -c @ATTACHLEN@ < "$0" | gzip -dc | tar -xf - -C "$PREFIX"