[Minor] Fix a455c65422 missing part

src/libmime/message.h

@@ -114,7 +114,7 @@ struct rspamd_mime_part {
 #define RSPAMD_MIME_TEXT_PART_FLAG_BALANCED (1 << 1)
 #define RSPAMD_MIME_TEXT_PART_FLAG_EMPTY (1 << 2)
 #define RSPAMD_MIME_TEXT_PART_FLAG_HTML (1 << 3)
-#define RSPAMD_MIME_TEXT_PART_FLAG_8BIT (1 << 4)
+#define RSPAMD_MIME_TEXT_PART_FLAG_8BIT_RAW (1 << 4)
 #define RSPAMD_MIME_TEXT_PART_FLAG_8BIT_ENCODED (1 << 5)
 #define RSPAMD_MIME_TEXT_PART_HAS_SUBNORMAL (1 << 6)
 #define RSPAMD_MIME_TEXT_PART_NORMALISED (1 << 7)

src/libmime/mime_encoding.c

@@ -659,6 +659,10 @@ rspamd_mime_text_part_maybe_convert (struct rspamd_task *task,
 	rspamd_ftok_t charset_tok;
 	struct rspamd_mime_part *part = text_part->mime_part;
 
+	if (rspamd_str_has_8bit (text_part->raw.begin, text_part->raw.len)) {
+		text_part->flags |= RSPAMD_MIME_TEXT_PART_FLAG_8BIT_RAW;
+	}
+
 	/* Allocate copy storage */
 	part_content = g_byte_array_sized_new (text_part->parsed.len);
 	memcpy (part_content->data, text_part->parsed.begin, text_part->parsed.len);

src/lua/lua_mimepart.c

@@ -625,7 +625,7 @@ lua_textpart_has_8bit_raw (lua_State * L)
 	struct rspamd_mime_text_part *part = lua_check_textpart (L);
 
 	if (part) {
-		if (part->flags & RSPAMD_MIME_TEXT_PART_FLAG_8BIT) {
+		if (part->flags & RSPAMD_MIME_TEXT_PART_FLAG_8BIT_RAW) {
 			lua_pushboolean (L, TRUE);
 		}
 		else {