ports/100431: port print/hpijs default config interferes with print/foomatic-filters

[Bengt Ahlgren]

If nothing else, could set CONFLICTS to prevent foot-shooting:

--- Makefile.orig	2008-06-06 15:57:48.000000000 +0200
+++ Makefile	2008-12-21 21:49:55.000000000 +0100
@@ -43,6 +43,7 @@
 USE_PERL5=		true
 CONFIGURE_ARGS+=	--enable-foomatic-install
 PLIST_SUB+=		FOOMATIC=""
+CONFLICTS+=		foomatic-filters-*
 .else
 CONFIGURE_ARGS+=	--disable-foomatic-install
 PLIST_SUB+=		FOOMATIC="@comment "