Fix player not being internally disconnected in some situation + add client_disconnected forward

gamedata/common.games/functions.engine.txt

@@ -0,0 +1,27 @@
+/**
+ * Do not edit this file.  Any changes will be overwritten by the gamedata
+ * updater or by upgrading your AMX Mod X install.
+ *
+ * To override data in this file, create a subdirectory named "custom" and
+ * place your own gamedata file(s) inside of it.  Such files will be parsed
+ * after AMXX's own.
+ *
+ * For more information, see http://wiki.alliedmods.net/Gamedata_Updating_(AMX_Mod_X)
+ */
+
+"Games"
+{
+	"#default"
+	{
+		"Signatures"
+		{
+			"SV_DropClient" // void SV_DropClient(client_t *cl, qboolean crash, const char *fmt, ...);
+			{
+				"library"   "engine"
+				"windows"   "\x55\x8B\x2A\x81\x2A\x2A\x2A\x2A\x2A\x8B\x2A\x2A\x53\x56\x8D"
+				"linux"     "@SV_DropClient"
+				"mac"       "@SV_DropClient"
+			}
+		}
+	}
+}

gamedata/common.games/master.games.txt

@@ -21,6 +21,13 @@
 		"engine"  "engine_ls"
 	}
 
+	"functions.engine.txt"
+	{
+		"engine"  "engine_ds"
+		"engine"  "engine_ls"
+	}
+
+
 
 	//
 	// Counter-Strike