lua: makes sure metadata is UTF8 encoded (some websites aren't using UTF8 charset)

modules/misc/lua/vlclua.c

@@ -31,6 +31,7 @@
 
 #include <vlc/vlc.h>
 #include <vlc_meta.h>
+#include <vlc_charset.h>
 
 #include <lua.h>        /* Low level lua C API */
 #include <lauxlib.h>    /* Higher level C API */
@@ -349,6 +350,7 @@ void vlclua_read_meta_data( vlc_object_t *p_this, lua_State *p_state,
     if( lua_isstring( p_state, t ) )                        \
     {                                                       \
         psz_value = lua_tostring( p_state, t );             \
+        EnsureUTF8( psz_value );                            \
         msg_Dbg( p_this, #b ": %s", psz_value );            \
         input_item_Set ## b ( p_input, psz_value );         \
     }                                                       \