mk/blas.buildlink3.mk: use curly braces for variables

[Dr. Thomas Orgis <thomas.orgis%uni-hamburg.de@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Dr. Thomas Orgis <thomas.orgis%uni-hamburg.de@localhost>
Pushed By:	thor
Date:		Thu Apr 25 10:45:40 2019 +0200
Changeset:	7d9b90609221f943d6360a809ae0daa5c2a0f353

Modified Files:
	mk/blas.buildlink3.mk

Log Message:
mk/blas.buildlink3.mk: use curly braces for variables

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=7d9b90609221f943d6360a809ae0daa5c2a0f353

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

diffstat:
 mk/blas.buildlink3.mk | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diffs:
diff --git a/mk/blas.buildlink3.mk b/mk/blas.buildlink3.mk
index 9ee76153f7..d334d1b276 100644
--- a/mk/blas.buildlink3.mk
+++ b/mk/blas.buildlink3.mk
@@ -49,23 +49,23 @@ _BLAS_TYPE=     ${BLAS_TYPE}
 _BLAS_TYPE=     none
 .  endif
 
-.if $(_BLAS_TYPE) == "netlib"
+.if ${_BLAS_TYPE} == "netlib"
 _BLAS_PACKAGE=	wip/lapack
 BLAS_LIBS=	-lblas
 LAPACK_LIBS=	-llapack ${BLAS_LIBS}
-.elif $(_BLAS_TYPE) == "openblas"
+.elif ${_BLAS_TYPE} == "openblas"
 _BLAS_PACKAGE=	wip/openblas
 BLAS_LIBS=	-lopenblas
 LAPACK_LIBS=	${BLAS_LIBS}
-.elif $(_BLAS_TYPE) == "openblas_pthread"
+.elif ${_BLAS_TYPE} == "openblas_pthread"
 _BLAS_PACKAGE=	wip/openblas_pthread
 BLAS_LIBS=	-lopenblas_pthread
 LAPACK_LIBS=	${BLAS_LIBS}
-.elif $(_BLAS_TYPE) == "openblas_openmp"
+.elif ${_BLAS_TYPE} == "openblas_openmp"
 _BLAS_PACKAGE=	wip/openblas_openmp
 BLAS_LIBS=	-lopenblas_openmp
 LAPACK_LIBS=	${BLAS_LIBS}
-.elif $(_BLAS_TYPE) == "accelerate.framework"
+.elif ${_BLAS_TYPE} == "accelerate.framework"
 BLAS_LIBS=	-framework Accelerate
 LAPACK_LIBS=	${BLAS_LIBS}
 # TODO: atlas