support of error_offset in PA-TNC INVALID PARAMETER error messages

src/libimcv/ita/ita_attr_command.c

@@ -99,7 +99,7 @@ METHOD(pa_tnc_attr_t, build, void,
 }
 
 METHOD(pa_tnc_attr_t, process, status_t,
-	private_ita_attr_command_t *this)
+	private_ita_attr_command_t *this, u_int32_t *offset)
 {
 	this->command = malloc(this->value.len + 1);
 	memcpy(this->command, this->value.ptr, this->value.len);