fixes a weird sqlite error, such that issues and queries views lead t…

…o an exception if artifacts are connected with issues.

lib/query_patch.rb

@@ -66,7 +66,7 @@ def selectable_artifact_types_and_names
                   project_id, @@locked_artifact_types]
 
     artifacts = ReArtifactProperties.all(:joins => [:re_realizations, :issues, :project],
-                                         :conditions => conditions, :group => :id)
+                                         :conditions => conditions, :group => "#{ReArtifactProperties.table_name}.id")
     artifacts.collect { |a| [ "[#{localized_artifact_type(a)}] #{a.name}", a.id.to_s ] }.sort! { |a, b| a.first <=> b.first }
   end
 
@@ -100,4 +100,4 @@ def sql_for_artifact_name_search_field(db_table, value, invert)
   end
 end
 
-Query.send(:include, QueryPatch)
+Query.send(:include, QueryPatch)