"DH_up" had been changed to "DH_up_ref" in libeay.num but the function
declaration and implementation had not. So a recent update recreated the
original definition in libeay.num ... this corrects it and changes the "dh"
code to the "up_ref" variant.

crypto/dh/dh.h

diff --git a/crypto/dh/dh.h b/crypto/dh/dh.h
index b6601c6..fe2da7a 100644
--- a/crypto/dh/dh.h
+++ b/crypto/dh/dh.h
@@ -166,7 +166,7 @@
 
 DH *	DH_new(void);
 void	DH_free(DH *dh);
-int	DH_up(DH *dh);
+int	DH_up_ref(DH *dh);
 int	DH_size(const DH *dh);
 int DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
 	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);

crypto/dh/dh_lib.c

diff --git a/crypto/dh/dh_lib.c b/crypto/dh/dh_lib.c
index 7c30461..7804bb4 100644
--- a/crypto/dh/dh_lib.c
+++ b/crypto/dh/dh_lib.c
@@ -217,7 +217,7 @@
 	OPENSSL_free(r);
 	}
 
-int DH_up(DH *r)
+int DH_up_ref(DH *r)
 	{
 	int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DH);
 #ifdef REF_PRINT

util/libeay.num

diff --git a/util/libeay.num b/util/libeay.num
index aed4f1c..61c70b4 100755
--- a/util/libeay.num
+++ b/util/libeay.num
@@ -2650,13 +2650,12 @@
 ENGINE_load_ciphers                     3099	EXIST::FUNCTION:
 ENGINE_get_cipher_by_name               3100	EXIST::FUNCTION:
 ENGINE_cipher_num                       3101	EXIST::FUNCTION:
-DH_up_ref                               3102	NOEXIST::FUNCTION:
+DH_up_ref                               3102	EXIST::FUNCTION:DH
 RSA_up_ref                              3103	EXIST::FUNCTION:RSA
 EVP_DigestInit_dbg                      3104	EXIST::FUNCTION:
 CRYPTO_cleanup_all_ex_data              3105	EXIST::FUNCTION:
 CRYPTO_set_ex_data_implementation       3106	EXIST::FUNCTION:
 CRYPTO_ex_data_new_class                3107	EXIST::FUNCTION:
 CRYPTO_get_ex_data_implementation       3108	EXIST::FUNCTION:
-DH_up                                   3109	EXIST::FUNCTION:DH
-BN_pseudo_rand_range                    3110	EXIST::FUNCTION:
-ERR_unload_strings                      3111	EXIST::FUNCTION:
+BN_pseudo_rand_range                    3109	EXIST::FUNCTION:
+ERR_unload_strings                      3110	EXIST::FUNCTION: