support for regen target

diff --git a/libasn1compiler/asn1c_save.h b/libasn1compiler/asn1c_save.h
index 8d4b1f5..26c36a3 100644
--- a/libasn1compiler/asn1c_save.h
+++ b/libasn1compiler/asn1c_save.h
@@ -1,6 +1,7 @@
 #ifndef	_ASN1C_SAVE_H_
 #define	_ASN1C_SAVE_H_
 
-int asn1c_save_compiled_output(arg_t *arg, const char *datadir);
+int asn1c_save_compiled_output(arg_t *arg, const char *datadir,
+	int argc, char **argv);
 
 #endif	/* _ASN1C_SAVE_H_ */