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-rw-r--r--crypto/sha/keccak1600.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/sha/keccak1600.c b/crypto/sha/keccak1600.c
index 17909a769b..062111b638 100644
--- a/crypto/sha/keccak1600.c
+++ b/crypto/sha/keccak1600.c
@@ -1153,7 +1153,7 @@ void SHA3_sponge(const unsigned char *inp, size_t len,
# include <stdio.h>
-int main()
+int main(void)
{
/*
* This is 5-bit SHAKE128 test from http://csrc.nist.gov/groups/ST/toolkit/examples.html#aHashing