Index: uspace/lib/gui/button.c
===================================================================
--- uspace/lib/gui/button.c	(revision 38d150e6238ab44c861f6486e46454e07caeb0f0)
+++ uspace/lib/gui/button.c	(revision 98893ede399d6eed12edddf404da1f101f415345)
@@ -174,5 +174,5 @@
 		btn->caption = str_dup(caption);
 	
-	int rc = embedded_font_create(&btn->font, points);
+	errno_t rc = embedded_font_create(&btn->font, points);
 	if (rc != EOK) {
 		free(btn->caption);