GtkDocParser: Fix comment validation
GtkDocParser: Fix comment validation

thiblahute/hotdoc,hotdoc/hotdoc,thiblahute/hotdoc,thiblahute/hotdoc,thiblahute/hotdoc,thiblahute/hotdoc,thiblahute/hotdoc,hotdoc/hotdoc,hotdoc/hotdoc,hotdoc/hotdoc,hotdoc/hotdoc,hotdoc/hotdoc