Fix #2 luaL_checkoption parameter is incorrect

Author: tilkinsc

.gitignore

@@ -453,3 +453,9 @@ $RECYCLE.BIN/
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json
+
+##
+## Local testing
+##
+lua-all
+luajit

main.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char** argv)
+{
+	printf("%llu\n", sizeof(int));
+	return 0;
+}

src/Lua51.cs

@@ -609,9 +609,8 @@ public static void luaL_setn(lua_State L, int i, int j)
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_error(lua_State L, string fmt, params string[] args);
 
-	// TODO: I dont think string[][] works
 	[DllImport(DllName, CallingConvention = Convention)]
-	public static extern int luaL_checkoption(lua_State L, int narg, string def, string[][] lst);
+	public static extern int luaL_checkoption(lua_State L, int narg, string def, string[] lst);
 
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_ref(lua_State L, int t);

src/Lua52.cs

@@ -715,9 +715,8 @@ public static void luaL_checkversion(lua_State L)
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_error(lua_State L, string fmt, params string[] args);
 
-	// TODO: I dont think string[][] works
 	[DllImport(DllName, CallingConvention = Convention)]
-	public static extern int luaL_checkoption(lua_State L, int narg, string def, string[][] lst);
+	public static extern int luaL_checkoption(lua_State L, int narg, string def, string[] lst);
 
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_fileresult(lua_State L, int stat, string fname);

src/Lua53.cs

@@ -728,9 +728,8 @@ public static void luaL_checkversion(lua_State L)
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_error(lua_State L, string fmt, params string[] args);
 
-	// TODO: I dont think string[][] works
 	[DllImport(DllName, CallingConvention = Convention)]
-	public static extern int luaL_checkoption(lua_State L, int arg, string def, string[][] lst);
+	public static extern int luaL_checkoption(lua_State L, int arg, string def, string[] lst);
 
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_fileresult(lua_State L, int stat, string fname);

src/Lua54.cs

@@ -1,7 +1,6 @@
 namespace Lua54;
 
 using System;
-using System.Diagnostics;
 using System.Runtime.InteropServices;
 
 using voidp = System.UIntPtr;
@@ -765,9 +764,8 @@ public static void luaL_checkversion(lua_State L)
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_error(lua_State L, string fmt, params string[] args);
 
-	// TODO: I dont think string[][] works
 	[DllImport(DllName, CallingConvention = Convention)]
-	public static extern int luaL_checkoption(lua_State L, int arg, string def, string[][] lst);
+	public static extern int luaL_checkoption(lua_State L, int arg, string def, string[] lst);
 
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_fileresult(lua_State L, int stat, string fname);

src/LuaJIT.cs

@@ -660,9 +660,8 @@ public static double lua_version(lua_State L)
 	[DllImport(DllName, CallingConvention = Convention)]
 	public static extern int luaL_error(lua_State L, string fmt, params string[] args);
 
-	// TODO: I dont think string[][] works
 	[DllImport(DllName, CallingConvention = Convention)]
-	public static extern int luaL_checkoption(lua_State L, int narg, string def, string[][] lst);
+	public static extern int luaL_checkoption(lua_State L, int narg, string def, string[] lst);
 
 	public const int LUA_NOREF = -2;
 	public const int LUA_REFNIL = -1;