Fix C++ guards in beast.

beast/module/sqlite/sqlite/sqlite3.h

@@ -30,8 +30,9 @@
 ** the version number) and changes its name to "sqlite3.h" as
 ** part of the build process.
 */
-#ifndef _SQLITE3_H_
-#define _SQLITE3_H_
+#ifndef BEAST_MODULE_SQLITE_SQLITE3_H_INCLUDED
+#define BEAST_MODULE_SQLITE_SQLITE3_H_INCLUDED
+
 #include <stdarg.h>     /* Needed for the definition of va_list */
 
 /*

beast/module/sqlite/sqlite/sqlite3ext.h

@@ -15,8 +15,9 @@
 ** as extensions by SQLite should #include this file instead of 
 ** sqlite3.h.
 */
-#ifndef _SQLITE3EXT_H_
-#define _SQLITE3EXT_H_
+#ifndef BEAST_MODULE_SQLITE_SQLITE3EXT_H_INCLUDED
+#define BEAST_MODULE_SQLITE_SQLITE3EXT_H_INCLUDED
+
 #include "sqlite3.h"
 
 typedef struct sqlite3_api_routines sqlite3_api_routines;