Make automatic prototype generation work with more interfaces.
diff --git a/src/proto/sha256.pro b/src/proto/sha256.pro
index 651a0a0..3c4d975 100644
--- a/src/proto/sha256.pro
+++ b/src/proto/sha256.pro
@@ -4,5 +4,5 @@
void sha256_finish __ARGS((context_sha256_T *ctx, char_u digest[32]));
char_u *sha256_key __ARGS((char_u *buf, char_u *salt, int salt_len));
int sha256_self_test __ARGS((void));
-void sha2_seed __ARGS((char_u header[], int header_len, char_u salt[], int salt_len));
+void sha2_seed __ARGS((char_u *header, int header_len, char_u *salt, int salt_len));
/* vim: set ft=c : */