$NetBSD: patch-contrib_uuid-ossp_Makefile,v 1.1 2021/03/18 15:04:55 adam Exp $

Use relative path, as top_srcdir points to PREFIX.

--- contrib/uuid-ossp/Makefile.orig	2021-03-18 11:50:26.000000000 +0000
+++ contrib/uuid-ossp/Makefile
@@ -15,7 +15,7 @@ REGRESS = uuid_ossp
 SHLIB_LINK += $(UUID_LIBS)
 
 # We copy some needed files verbatim from pgcrypto
-pgcrypto_src = $(top_srcdir)/contrib/pgcrypto
+pgcrypto_src = ../pgcrypto
 
 PG_CPPFLAGS = -I$(pgcrypto_src)