bugfix: free memory upon early exit from C subs-only functions

fuzzysearch/_substitutions_only_lp_template.h

@@ -35,6 +35,7 @@ FUNCTION_NAME(PyObject *self, PyObject *args)
     PREPARE;
 
     if (seq_len < subseq_len) {
+        DO_FREES;
         RETURN_AT_END;
     }
 

fuzzysearch/_substitutions_only_ngrams_template.h

@@ -54,6 +54,7 @@ FUNCTION_NAME(PyObject *self, PyObject *args)
     PREPARE;
 
     if (seq_len < subseq_len) {
+        DO_FREES;
         RETURN_AT_END;
     }