math/suitesparse: avoid mixing various BLAS/LAPACK libraries

When math/blas and math/atlas are installed on the same machine, it
seems that they can be mixed, causing a CHOLMOD failure.

PR:		279820
Reported by:	gja822@narod.ru

math/suitesparse/bsd.suitesparse.mk

@@ -25,6 +25,8 @@ CONFIGURE_WRKSRC=${WRKSRC}/SuiteSparse_config
 .endif
 BUILD_WRKSRC=	${CONFIGURE_WRKSRC}
 CMAKE_SOURCE_PATH=	${CONFIGURE_WRKSRC}
+CMAKE_ARGS+=	-DBLAS_LIBRARIES:STRING="${BLASLIB}"	\
+		-DLAPACK_LIBRARIES:STRING="${LAPACKLIB}"
 
 .if ${MPORTNAME} != config &&	\
 	${MPORTNAME} != CSparse &&	\