missing file

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

src/ast/proofs/proof_utils.cpp

@@ -20,10 +20,10 @@ Revision History:
 #include "ast/ast_pp.h"
 #include "ast/proofs/proof_utils.h"
 #include "ast/proofs/proof_checker.h"
+#include "ast/rewriter/var_subst.h"
 #include "util/container_util.h"
 
 
-
 proof_post_order::proof_post_order(proof* root, ast_manager& manager) : m(manager)
 {m_todo.push_back(root);}
 
@@ -336,7 +336,6 @@ void reduce_hypotheses(proof_ref &pr) {
 
 
 #include "ast/ast_smt2_pp.h"
-#include "ast/rewriter/var_subst.h"
 
 class reduce_hypotheses0 {
     typedef obj_hashtable<expr> expr_set;

src/ast/proofs/proof_utils.h

@@ -20,6 +20,7 @@ Revision History:
 #ifndef PROOF_UTILS_H_
 #define PROOF_UTILS_H_
 #include "ast/ast.h"
+#include "ast/rewriter/bool_rewriter.h"
 
 /*
  * iterator, which traverses the proof in depth-first post-order.
@@ -66,7 +67,6 @@ public:
 
 };
 
-#include "ast/rewriter/bool_rewriter.h"
 class elim_aux_assertions {
 
     static bool matches_fact(expr_ref_vector &args, expr* &match) {