Index: uspace/dist/src/c/demos/hello/hello.c
===================================================================
--- uspace/dist/src/c/demos/hello/hello.c	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/dist/src/c/demos/hello/hello.c	(revision 46483f9f3e846bfcd5d8e7cf164835ddbc715a1c)
@@ -1,2 +1,3 @@
+typedef int errno_t;
 extern errno_t putchar(char);
 
