update header guards to be C++ style. Fixes issue #9

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

src/qe/nlarith_util.h

@@ -17,8 +17,8 @@ Author:
 Notes:
 
 --*/
-#ifndef _NLARITH_UTIL_H_
-#define _NLARITH_UTIL_H_
+#ifndef NLARITH_UTIL_H_
+#define NLARITH_UTIL_H_
 
 #include "ast.h"
 #include "lbool.h"

src/qe/qe.h

@@ -18,8 +18,8 @@ Revision History:
 
 --*/
 
-#ifndef __QE_H__
-#define __QE_H__
+#ifndef QE_H_
+#define QE_H_
 
 #include "ast.h"
 #include "smt_params.h"

src/qe/qe_arith.h

@@ -5,8 +5,8 @@ Copyright (c) 2015 Microsoft Corporation
 --*/
 
 
-#ifndef __QE_ARITH_H_
-#define __QE_ARITH_H_
+#ifndef QE_ARITH_H_
+#define QE_ARITH_H_
 
 #include "model.h"
 

src/qe/qe_cmd.h

@@ -15,8 +15,8 @@ Author:
 Notes:
 
 --*/
-#ifndef _QE_CMD_H_
-#define _QE_CMD_H_
+#ifndef QE_CMD_H_
+#define QE_CMD_H_
 
 class cmd_context;
 

src/qe/qe_lite.h

@@ -18,8 +18,8 @@ Revision History:
 
 --*/
 
-#ifndef __QE_LITE_H__
-#define __QE_LITE_H__
+#ifndef QE_LITE_H_
+#define QE_LITE_H_
 
 #include "ast.h"
 #include "uint_set.h"

src/qe/qe_sat_tactic.h

@@ -19,8 +19,8 @@ Revision History:
 --*/
 
 
-#ifndef __QE_SAT_H__
-#define __QE_SAT_H__
+#ifndef QE_SAT_H_
+#define QE_SAT_H_
 
 #include"tactic.h"
 

src/qe/qe_tactic.h

@@ -16,8 +16,8 @@ Author:
 Revision History:
 
 --*/
-#ifndef _QE_TACTIC_H_
-#define _QE_TACTIC_H_
+#ifndef QE_TACTIC_H_
+#define QE_TACTIC_H_
 
 #include"params.h"
 class ast_manager;

src/qe/qe_util.h

@@ -16,8 +16,8 @@ Author:
 Revision History:
 
 --*/
-#ifndef _QE_UTIL_H_
-#define _QE_UTIL_H_
+#ifndef QE_UTIL_H_
+#define QE_UTIL_H_
 
 #include "ast.h"
 

src/qe/vsubst_tactic.h

@@ -17,8 +17,8 @@ Notes:
 
 
 --*/
-#ifndef _VSUBST_TACTIC_H_
-#define _VSUBST_TACTIC_H_
+#ifndef VSUBST_TACTIC_H_
+#define VSUBST_TACTIC_H_
 
 #include"params.h"
 class ast_manager;