fixed permissions settings

source/bbuild.src

@@ -31,6 +31,8 @@ else
 	guest_file = cp.File(current_path + "/" + bin_name)
 end if
 guest_file.move "/home/" + active_user + "/guest/", bin_name
-guest_file.chmod "u+rwx,g+rwx,o+rwx"
+guest_file.chmod "u+rwx"
+guest_file.chmod "g+rwx"
+guest_file.chmod "o+rwx"
 guest_file.set_group "guest"
 guest_file.set_owner "guest"