Add OTP_ALG_DEFAULT

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@998 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/otp/otp.h

@@ -55,6 +55,8 @@ typedef unsigned char OtpKey[OTPKEYSIZE];
 
 typedef enum { OTP_ALG_MD4, OTP_ALG_MD5, OTP_ALG_SHA } OtpAlgID;
 
+#define OTP_ALG_DEFAULT "md4"
+
 typedef struct {
   OtpAlgID id;
   char *name;