Index: uspace/lib/c/test/adt/circ_buf.c
===================================================================
--- uspace/lib/c/test/adt/circ_buf.c	(revision a53ed3a8097360ccf174e8d94fb407db919eb66a)
+++ uspace/lib/c/test/adt/circ_buf.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -50,5 +50,5 @@
 	int i;
 	int j;
-	errno_t rc;
+	int rc;
 
 	circ_buf_init(&cbuf, buffer, buffer_size, sizeof(int));