Be consistent wrt unsigned vs. u_*

src/include/sha1.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: sha1.h,v 1.5 1997/07/10 22:53:01 millert Exp $	*/
+/*	$OpenBSD: sha1.h,v 1.6 1997/07/10 23:37:49 millert Exp $	*/
 
 /*
  * SHA-1 in C
@@ -15,9 +15,9 @@ typedef struct {
     u_char buffer[64];
 } SHA1_CTX;
   
-void SHA1Transform __P((u_int32_t state[5], unsigned char buffer[64]));
-void SHA1Init __P((SHA1_CTX* context));
-void SHA1Update __P((SHA1_CTX* context, unsigned char* data, unsigned int len));
-void SHA1Final __P((unsigned char digest[20], SHA1_CTX* context));
+void SHA1Transform __P((u_int32_t state[5], u_char buffer[64]));
+void SHA1Init __P((SHA1_CTX *context));
+void SHA1Update __P((SHA1_CTX *context, u_char *data, u_int len));
+void SHA1Final __P((u_char digest[20], SHA1_CTX *context));
 
 #endif /* _SHA1_H */