[Minor] Check for parts with no words

diff --git a/src/libmime/message.c b/src/libmime/message.c
index 1d61b9807c17073f8d9de7d0ddd49fca7090dd23..9322bbd33f45e2e5959c615c192aafc22e1bf6a4 100644 (file)
--- a/src/libmime/message.c
+++ b/src/libmime/message.c
@@ -288,7 +288,7 @@ rspamd_extract_words (struct rspamd_task *task,
        }
 #endif
 
-       if (part->normalized_words->len) {
+       if (part->normalized_words && part->normalized_words->len) {
                gdouble *avg_len_p, *short_len_p;
 
                avg_len_p = rspamd_mempool_get_variable (task->task_pool,