scalapack: phase out :fortran and :mpi

Formula/scalapack.rb

@@ -3,7 +3,7 @@ class Scalapack < Formula
   homepage "http://www.netlib.org/scalapack/"
   url "http://www.netlib.org/scalapack/scalapack-2.0.2.tgz"
   sha256 "0c74aeae690fe5ee4db7926f49c5d0bb69ce09eea75beb915e00bba07530395c"
-  revision 9
+  revision 10
 
   bottle do
     cellar :any
@@ -13,8 +13,8 @@ class Scalapack < Formula
   end
 
   depends_on "cmake" => :build
-  depends_on :fortran
-  depends_on :mpi => [:cc, :f90]
+  depends_on "gcc" # for gfortran
+  depends_on "open-mpi"
   depends_on "openblas" => :optional
   depends_on "veclibfort" if build.without?("openblas")