pki.h: Replace tabs with spaces

Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

include/libssh/pki_priv.h

@@ -94,9 +94,9 @@ ssh_signature pki_do_sign_sessionid(const ssh_key key,
                                     const unsigned char *hash,
                                     size_t hlen);
 int pki_ed25519_sign(const ssh_key privkey, ssh_signature sig,
-		const unsigned char *hash, size_t hlen);
+        const unsigned char *hash, size_t hlen);
 int pki_ed25519_verify(const ssh_key pubkey, ssh_signature sig,
-		const unsigned char *hash, size_t hlen);
+        const unsigned char *hash, size_t hlen);
 int pki_ed25519_key_cmp(const ssh_key k1,
                 const ssh_key k2,
                 enum ssh_keycmp_e what);