sienna: add another license for the artwork

[coypu <coypu%sdf.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	coypu <coypu%sdf.org@localhost>
Pushed By:	coypu
Date:		Sun Sep 30 18:29:16 2018 +0300
Changeset:	e1001f563bbc779ab21df5350272246afac467c3

Modified Files:
	sienna/Makefile

Log Message:
sienna: add another license for the artwork

(it's CC BY-NC 3.0 AND CC BY-NC-ND 3.0 AND zlib, actually)

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=e1001f563bbc779ab21df5350272246afac467c3

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 sienna/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diffs:
diff --git a/sienna/Makefile b/sienna/Makefile
index bc07e1defe..88c2bc1796 100644
--- a/sienna/Makefile
+++ b/sienna/Makefile
@@ -10,7 +10,7 @@ EXTRACT_SUFX=	.love
 MAINTAINER=	pkgsrc-users%NetBSD.org@localhost
 HOMEPAGE=	http://tangramgames.dk/games/sienna/
 COMMENT=	One button platformer
-LICENSE=	zlib
+LICENSE=	zlib AND cc-by-nc-nd-v3.0-license
 
 do-extract:
 	${MKDIR} ${WRKSRC}