Make sure the "ENGINE_TABLE" cleanup callbacks have correct prototypes.

crypto/engine/tb_cipher.c

@@ -68,7 +68,7 @@ void ENGINE_unregister_ciphers(ENGINE *e)
 	engine_table_unregister(&cipher_table, e);
 	}
 
-static void engine_unregister_all_ciphers()
+static void engine_unregister_all_ciphers(void)
 	{
 	engine_table_cleanup(&cipher_table);
 	}

crypto/engine/tb_dh.c

@@ -69,7 +69,7 @@ void ENGINE_unregister_DH(ENGINE *e)
 	engine_table_unregister(&dh_table, e);
 	}
 
-static void engine_unregister_all_DH()
+static void engine_unregister_all_DH(void)
 	{
 	engine_table_cleanup(&dh_table);
 	}

crypto/engine/tb_digest.c

@@ -68,7 +68,7 @@ void ENGINE_unregister_digests(ENGINE *e)
 	engine_table_unregister(&digest_table, e);
 	}
 
-static void engine_unregister_all_digests()
+static void engine_unregister_all_digests(void)
 	{
 	engine_table_cleanup(&digest_table);
 	}

crypto/engine/tb_dsa.c

@@ -69,7 +69,7 @@ void ENGINE_unregister_DSA(ENGINE *e)
 	engine_table_unregister(&dsa_table, e);
 	}
 
-static void engine_unregister_all_DSA()
+static void engine_unregister_all_DSA(void)
 	{
 	engine_table_cleanup(&dsa_table);
 	}

crypto/engine/tb_rand.c

@@ -69,7 +69,7 @@ void ENGINE_unregister_RAND(ENGINE *e)
 	engine_table_unregister(&rand_table, e);
 	}
 
-static void engine_unregister_all_RAND()
+static void engine_unregister_all_RAND(void)
 	{
 	engine_table_cleanup(&rand_table);
 	}

crypto/engine/tb_rsa.c

@@ -69,7 +69,7 @@ void ENGINE_unregister_RSA(ENGINE *e)
 	engine_table_unregister(&rsa_table, e);
 	}
 
-static void engine_unregister_all_RSA()
+static void engine_unregister_all_RSA(void)
 	{
 	engine_table_cleanup(&rsa_table);
 	}