Keep module stff private by default

src/elpa1.F90

@@ -88,6 +88,7 @@ module ELPA1
   implicit none
 
   ! The following routines are public:
+  private
 
   public :: get_elpa_row_col_comms     !< old, deprecated interface: Sets MPI row/col communicators
   public :: get_elpa_communicators     !< Sets MPI row/col communicators