Fix log_* formats which expect size_t but receive uint32_t.

src/language_classifier_test.c

@@ -53,7 +53,7 @@ double test_accuracy(char *filename) {
 
     }
 
-    log_info("total=%zu\n", total);
+    log_info("total=%" PRIu32 "\n", total);
 
     trie_destroy(label_ids);
 
@@ -85,4 +85,4 @@ int main(int argc, char **argv) {
 
     double accuracy = test_accuracy(filename);
     log_info("Done. Accuracy: %f\n", accuracy);
-}
+}