move lua Rng wrapper to the lua kernel base

src/scripting/lua_kernel_base.cpp

@@ -32,6 +32,7 @@
 #include "scripting/lua_fileops.hpp"
 #include "scripting/lua_gui2.hpp"
 #include "scripting/lua_map_location_ops.hpp"
+#include "scripting/lua_rng.hpp"
 #include "scripting/lua_types.hpp"
 
 #include "version.hpp"                  // for do_version_check, etc
@@ -338,6 +339,10 @@ lua_kernel_base::lua_kernel_base(CVideo * video)
 	luaL_setfuncs(L, map_callbacks, 0);
 	lua_setfield(L, -2, "map_location");
 	lua_pop(L,1);
+
+	// Add mersenne twister rng wrapper
+	cmd_log_ << "Adding rng tables...\n";
+	lua_rng::load_tables(L);
 }
 
 lua_kernel_base::~lua_kernel_base()

src/scripting/mapgen_lua_kernel.cpp

@@ -36,11 +36,6 @@ mapgen_lua_kernel::mapgen_lua_kernel()
 	: lua_kernel_base(NULL)
 {
 	lua_State *L = mState;
-
-	// Add mersenne twister rng wrapper
-	cmd_log_ << "Adding mt19937 metatable...\n";
-
-	lua_rng::load_tables(L);
 	lua_settop(L, 0);
 }