$NetBSD: patch-contrib_uuid-ossp_Makefile,v 1.1 2021/03/18 15:04:54 adam Exp $

Use relative path, as top_srcdir points to PREFIX.

--- contrib/uuid-ossp/Makefile.orig	2021-02-08 21:56:03.000000000 +0000
+++ contrib/uuid-ossp/Makefile
@@ -12,7 +12,7 @@ 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)