rem: Tcl_DStringAppend(type_ds, GetDefaultCharset(), -1);
add: Tcl_DStringAppend(type_ds, (char*)GetDefaultCharset(), -1);
context: NsComputeEncodingFromType(char *type, Tcl_Encoding *enc,                          int *new_type, Tcl_DString *type_ds){    int          used_default;    *enc = NsGetTypeEncodingWithDef(type, &used_default);    if( used_default && GetDefaultHackContentTypeP() ) {        Tcl_DStringInit(type_ds);        Tcl_DStringAppend(type_ds, type, -1);        Tcl_DStringAppend(type_ds, "; charset=", -1);        Tcl_DStringAppend(type_ds, GetDefaultCharset(), -1);        *new_type = NS_TRUE;    } else {        *new_type = NS_FALSE;    }}