Patch for twofish.c

[Martin Kahlert]

Hi,
here is a fix for some small glitches in ciphers/twofish.c:
It avoids compiler warnings an is cleaner.

The diff was made against version 1.0.1c

Hope that helps a bit and thanks for the good work,
Martin.

*** twofish.c	Tue Feb 22 14:19:05 2000
--- twofish_new.c	Tue Feb 22 14:19:20 2000
***************
*** 987,997 ****
      *keylen = algo==10? 256 : 128;
      *blocksize = 16;
      *contextsize = sizeof (TWOFISH_context);
!     *(int  (**)(const TWOFISH_context*, byte*, unsigned))r_setkey
  							= twofish_setkey;
!     *(void (**)(const TWOFISH_context*, byte*, byte*))r_encrypt
  							= twofish_encrypt;
!     *(void (**)(const TWOFISH_context*, byte*, byte*))r_decrypt
  							= twofish_decrypt;
  
      if( algo == 10 )
--- 987,997 ----
      *keylen = algo==10? 256 : 128;
      *blocksize = 16;
      *contextsize = sizeof (TWOFISH_context);
!     *(int  (**)(TWOFISH_context*, const byte*, const unsigned))r_setkey
  							= twofish_setkey;
!     *(void (**)(const TWOFISH_context*, byte*, const byte*))r_encrypt
  							= twofish_encrypt;
!     *(void (**)(const TWOFISH_context*, byte*, const byte*))r_decrypt
  							= twofish_decrypt;
  
      if( algo == 10 )