include the proper header file

crypto/rand/rand_lcl.h

-/* crypto/rand/md_rand.c */
+/* crypto/rand/rand_lcl.h */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -129,25 +129,22 @@
 #endif
 #endif
 
+#include <openssl/evp.h>
 #define MD_Update(a,b,c)	EVP_DigestUpdate(a,b,c)
 #define	MD_Final(a,b)		EVP_DigestFinal(a,b,NULL)
 #if defined(USE_MD5_RAND)
-#include <openssl/md5.h>
 #define MD_DIGEST_LENGTH	MD5_DIGEST_LENGTH
 #define MD_Init(a)		EVP_DigestInit(a,EVP_md5())
 #define	MD(a,b,c)		EVP_Digest(a,b,c,NULL,EVP_md5())
 #elif defined(USE_SHA1_RAND)
-#include <openssl/sha.h>
 #define MD_DIGEST_LENGTH	SHA_DIGEST_LENGTH
 #define MD_Init(a)		EVP_DigestInit(a,EVP_sha1())
 #define	MD(a,b,c)		EVP_Digest(a,b,c,NULL,EVP_sha1())
 #elif defined(USE_MDC2_RAND)
-#include <openssl/mdc2.h>
 #define MD_DIGEST_LENGTH	MDC2_DIGEST_LENGTH
 #define MD_Init(a)		EVP_DigestInit(a,EVP_mdc2())
 #define	MD(a,b,c)		EVP_Digest(a,b,c,NULL,EVP_mdc2())
 #elif defined(USE_MD2_RAND)
-#include <openssl/md2.h>
 #define MD_DIGEST_LENGTH	MD2_DIGEST_LENGTH
 #define MD_Init(a)		EVP_DigestInit(a,EVP_md2())
 #define	MD(a,b,c)		EVP_Digest(a,b,c,NULL,EVP_md2())