Issue #709: adjust some include guards to be a bit more json-c specific.

arraylist.h

@@ -15,8 +15,8 @@
  *        Although this is exposed by the json_object_get_array() method,
  *        it is not recommended for direct use.
  */
-#ifndef _arraylist_h_
-#define _arraylist_h_
+#ifndef _json_c_arraylist_h_
+#define _json_c_arraylist_h_
 
 #ifdef __cplusplus
 extern "C" {

debug.h

@@ -14,8 +14,8 @@
  * @file
  * @brief Do not use, json-c internal, may be changed or removed at any time.
  */
-#ifndef _DEBUG_H_
-#define _DEBUG_H_
+#ifndef _JSON_C_DEBUG_H_
+#define _JSON_C_DEBUG_H_
 
 #include <stdlib.h>
 

linkhash.h

@@ -16,8 +16,8 @@
  *        this is exposed by the json_object_get_object() function and within the
  *        json_object_iter type, it is not recommended for direct use.
  */
-#ifndef _linkhash_h_
-#define _linkhash_h_
+#ifndef _json_c_linkhash_h_
+#define _json_c_linkhash_h_
 
 #include "json_object.h"
 

printbuf.h

@@ -20,8 +20,8 @@
  *        json_object_set_serializer() direct use of this is not
  *        recommended.
  */
-#ifndef _printbuf_h_
-#define _printbuf_h_
+#ifndef _json_c_printbuf_h_
+#define _json_c_printbuf_h_
 
 #ifndef JSON_EXPORT
 #if defined(_MSC_VER) && defined(JSON_C_DLL)