Index: uspace/srv/ns/task.c
===================================================================
--- uspace/srv/ns/task.c	(revision 062d9000625057300f609429080872d6492b542e)
+++ uspace/srv/ns/task.c	(revision e5e2d733644a28922ccdf2939328e7cbd0dcfbb4)
@@ -90,5 +90,5 @@
 	.key_hash = task_key_hash,
 	.key_equal = task_key_equal,
-	.equal = 0,
+	.equal = NULL,
 	.remove_callback = task_remove
 };
@@ -141,5 +141,5 @@
 	.key_hash = p2i_key_hash,
 	.key_equal = p2i_key_equal,
-	.equal = 0,
+	.equal = NULL,
 	.remove_callback = p2i_remove
 };