wm: glendy

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util: minor improvemnets

--- a/util.c

+++ b/util.c

@@ -211,6 +211,7 @@

 	q->len++;

 	if(q->head == nil && q->tail == nil)

 	{

+		dprint("qadd(): q->head == nil || q->tail == nil");

 		q->head = llnew();

 		q->head->data = data;

 		q->tail = q->head;

@@ -217,6 +218,7 @@

 	}

 	else

 	{

+		dprint("qadd(): q->head != nil || q->tail != nil");

 		lladd(q->tail, data);

 		q->tail = q->tail->next;

 	}