Index: head/net/miniupnpc/files/patch-Makefile
===================================================================
--- head/net/miniupnpc/files/patch-Makefile	(revision 485934)
+++ head/net/miniupnpc/files/patch-Makefile	(revision 485935)
@@ -1,22 +1,31 @@
 --- Makefile.orig	2018-04-06 10:53:30 UTC
 +++ Makefile
 @@ -139,7 +139,6 @@ TESTMINIWGETOBJS := $(TESTMINIWGETOBJS) 
  TESTIGDDESCPARSE := $(TESTIGDDESCPARSE) minissdpc.o
  endif
  
 -LIBDIR ?= lib
  # install directories
  ifeq ($(strip $(PREFIX)),)
  INSTALLPREFIX ?= /usr
 @@ -147,9 +146,9 @@ else
  INSTALLPREFIX ?= $(PREFIX)
  endif
  INSTALLDIRINC = $(INSTALLPREFIX)/include/miniupnpc
 -INSTALLDIRLIB = $(INSTALLPREFIX)/$(LIBDIR)
 +INSTALLDIRLIB = $(INSTALLPREFIX)/lib
  INSTALLDIRBIN = $(INSTALLPREFIX)/bin
 -INSTALLDIRMAN = $(INSTALLPREFIX)/share/man
 +INSTALLDIRMAN = $(INSTALLPREFIX)/man
  PKGCONFIGDIR = $(INSTALLDIRLIB)/pkgconfig
  
  FILESTOINSTALL = $(LIBRARY) $(EXECUTABLES)
+@@ -229,7 +228,7 @@ distclean: clean
+ 
+ updateversion:	miniupnpc.h
+ 	cp miniupnpc.h miniupnpc.h.bak
+-	sed 's/\(.*MINIUPNPC_API_VERSION\s\+\)[0-9]\+/\1$(APIVERSION)/' < miniupnpc.h.bak > miniupnpc.h
++	sed -E 's/(.*MINIUPNPC_API_VERSION[[:space:]]+)[0-9]+/\1$(APIVERSION)/' < miniupnpc.h.bak > miniupnpc.h
+ 
+ install:	updateversion $(FILESTOINSTALL)
+ 	$(INSTALL) -d $(DESTDIR)$(INSTALLDIRINC)