Delegate error pointer validation to GLib
Delegate error pointer validation to GLib

piotras/midgard-core,piotras/midgard-core,midgardproject/midgard-core,piotras/midgard-core,piotras/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core