frobtads: fix build

[Yorick Hardy <yorickhardy%gmail.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Yorick Hardy <yorickhardy%gmail.com@localhost>
Pushed By:	yhardy
Date:		Sat Sep 29 22:13:48 2018 +0200
Changeset:	6b25bfb9f07a00255be9689127985e836dae1e73

Modified Files:
	frobtads/Makefile

Log Message:
frobtads: fix build

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=6b25bfb9f07a00255be9689127985e836dae1e73

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

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

diffs:
diff --git a/frobtads/Makefile b/frobtads/Makefile
index 5d49a647b5..1ba9206bb3 100644
--- a/frobtads/Makefile
+++ b/frobtads/Makefile
@@ -14,7 +14,7 @@ COMMENT=	Portable TADS toolkit
 #LICENSE=	tads3
 
 GNU_CONFIGURE=	yes
-USE_LANGUAGES=	c c++
+USE_LANGUAGES=	c c++11
 USE_TOOLS+=	autoconf automake libtool
 
 pre-configure: