des_read_password() and des_read_2passwords() can only appear if DES

is compiled.

crypto/ui/ui_compat.c

@@ -57,9 +57,9 @@
  * [including the GNU Public Licence.]
  */
 
-#include <openssl/des.h>
-#include <openssl/ui.h>
+#include <openssl/ui_compat.h>
 
+#ifndef OPENSSL_NO_DES
 int des_read_password(des_cblock *key, const char *prompt, int verify)
 	{
 	int ok;
@@ -84,6 +84,7 @@ int des_read_2passwords(des_cblock *key1, des_cblock *key2, const char *prompt,
 	memset(buff,0,BUFSIZ);
 	return(ok);
 	}
+#endif
 
 int des_read_pw_string(char *buf,int length,const char *prompt,int verify)
 	{

crypto/ui/ui_compat.h

@@ -59,7 +59,11 @@
 #ifndef HEADER_UI_COMPAT_H
 #define HEADER_UI_COMPAT_H
 
+#include <openssl/opensslconf.h>
 #include <openssl/ui.h>
+#ifndef OPENSSL_NO_DES
+#include <openssl/des.h>
+#endif
 
 #ifdef  __cplusplus
 extern "C" {
@@ -68,9 +72,11 @@ extern "C" {
 /* The following functions were previously part of the DES section,
    and are provided here for backward compatibility reasons. */
 
+#ifndef OPENSSL_NO_DES
 int des_read_password(des_cblock *key,const char *prompt,int verify);
 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
 	const char *prompt,int verify);
+#endif
 
 int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
 int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);