Add constants for stats functions (#509)

* Add constants for stats functions

* Changed STATS_ to STATSX_ and added 2 more defines

* Added constants for all games

* Add csstats_const.inc and add _MAX_ constats to enum

* Change bodyhits

plugins/include/csstats_const.inc

@@ -0,0 +1,29 @@
+// vim: set ts=4 sw=4 tw=99 noet:
+//
+// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
+// Copyright (C) The AMX Mod X Development Team.
+//
+// This software is licensed under the GNU General Public License, version 3 or higher.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://alliedmods.net/amxmodx-license
+
+//
+// Counter-Strike Functions
+//
+
+#if defined _csstats_const_included
+	#endinput
+#endif
+#define _csstats_const_included
+
+/**
+ * Constants for objective based statistics
+ */
+enum
+{
+	STATSX_TOTAL_DEFUSIONS = 0,
+	STATSX_BOMBS_DEFUSED,
+	STATSX_BOMBS_PLANTED,
+	STATSX_BOMB_EXPLOSIONS,
+	STATSX_MAX_OBJECTIVE
+}