R-readxl: fix build

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

Module Name:	pkgsrc-wip
Committed By:	coypu <coypu%sdf.org@localhost>
Pushed By:	coypu
Date:		Tue Sep 25 20:26:35 2018 +0300
Changeset:	fe419441bd70dd886b73a52ba6ca7b633faca059

Modified Files:
	R-readxl/Makefile

Log Message:
R-readxl: fix build

This adds the headers used to the work/.buildlink directory.

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=fe419441bd70dd886b73a52ba6ca7b633faca059

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

diffstat:
 R-readxl/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diffs:
diff --git a/R-readxl/Makefile b/R-readxl/Makefile
index 65d8088849..ac1b21f287 100644
--- a/R-readxl/Makefile
+++ b/R-readxl/Makefile
@@ -13,9 +13,9 @@ R_PKGVER=	1.1.0
 
 USE_LANGUAGES=	c c++
 
-DEPENDS+=	R-Rcpp>=0.12.17:../../devel/R-Rcpp
 DEPENDS+=	R-tibble>=1.4.2:../../math/R-tibble
-DEPENDS+=       R-cellranger>=1.1.0:../../wip/R-cellranger
+DEPENDS+=	R-cellranger>=1.1.0:../../wip/R-cellranger
 
+.include "../../devel/R-Rcpp/buildlink3.mk"
 .include "../../math/R/Makefile.extension"
 .include "../../mk/bsd.pkg.mk"