Closes a file handle that was left opened on fuzzy hash

Fuzzy hash implementation was lefting a file handle behind whenever the results
matched.

apache2/re_operators.c

@@ -3946,6 +3946,7 @@ static int msre_op_fuzzy_hash_execute(modsec_rec *msr, msre_rule *rule,
             *error_msg = apr_psprintf(msr->mp, "Fuzzy hash of %s matched " \
                 "with %s (from: %s). Score: %d.", var->name, line,
                 param->file, i);
+            fclose(fp);
             return 1;
         }
     }