Compilation error gnutls-3.1.1 with nettle-2.5 on cygwin

[Dr. Volker Zell]

Hi

I got the following error when compiling gnutls-3.1.1 with nettle-2.5 on
cygwin:


  CC     wmnaf.lo
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c:44:30: 
error: expected declaration specifiers or '...' before 'mp_bitcnt_t'
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c: In 
function 'mpz_unitstbit':
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c:50:26: 
error: 'bit_index' undeclared (first use in this function)
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c:50:26: 
note: each undeclared identifier is reported only once for each function it 
appears in
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c: In 
function 'ecc_wMNAF':
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c:138:7: 
error: too many arguments to function 'mpz_unitstbit'
/misc/src/release/gnutls-3.1.1-1/src/gnutls-3.1.1/lib/nettle/wmnaf.c:44:1: 
note: declared here
Makefile:1595: recipe for target `wmnaf.lo' failed


Any ideas ?

Ciao
  Volker