fix interface

Author: perazz

src/stdlib_linalg.fypp

@@ -635,7 +635,7 @@ module stdlib_linalg
          !> [optional] Can A data be overwritten and destroyed?
          logical(lk), optional, intent(in) :: overwrite_a                 
          !> [optional] Provide pre-allocated workspace, size to be checked with schur_space         
-         ${rt}$, optional, intent(inout), target :: storage(:)
+         ${rt}$, optional, intent(out), target :: storage(:)
          !> [optional] State return flag. On error if not requested, the code will stop
          type(linalg_state_type), optional, intent(out) :: err
       end subroutine stdlib_linalg_${ri}$_schur