FTBFS with gcc-14

[Andreas Hasenack]

https://launchpadlibrarian.net/741628620/buildlog_ubuntu-oracular-amd64.cyrus-sasl2_2.1.28+dfsg1-6_BUILDING.txt.gz

In file included from ../../include/hmac-md5.h:7,
                 from ../../include/saslplug.h:11,
                 from ../../lib/common.c:60:
/usr/include/openssl/md5.h:49:27: note: declared here
   49 | OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
      | ^~~~~~~~
../../lib/common.c:2034:19: error: assignment to ‘void (*)(MD5_CTX *)’ {aka ‘void (*)(struct MD5state_st *)’} from incompatible pointer type ‘int (*)(MD5_CTX *)’ {aka ‘int (*)(struct MD5state_st *)’} [-Wincompatible-pointer-types]
 2034 | utils->MD5Init = &MD5_Init;
      | ^
../../lib/common.c:2035:3: warning: ‘MD5_Update’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
 2035 | utils->MD5Update= &MD5_Update;
      | ^~~~~
/usr/include/openssl/md5.h:50:27: note: declared here
   50 | OSSL_DEPRECATEDIN_3_0 int MD5_Update(MD5_CTX *c, const void *data, size_t len);
      | ^~~~~~~~~~
../../lib/common.c:2035:19: error: assignment to ‘void (*)(MD5_CTX *, const unsigned char *, unsigned int)’ {aka ‘void (*)(struct MD5state_st *, const unsigned char *, unsigned int)’} from incompatible pointer type ‘int (*)(MD5_CTX *, const void *, size_t)’ {aka ‘int (*)(struct MD5state_st *, const void *, long unsigned int)’} [-Wincompatible-pointer-types]
 2035 | utils->MD5Update= &MD5_Update;
      | ^
../../lib/common.c:2036:3: warning: ‘MD5_Final’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
 2036 | utils->MD5Final = &MD5_Final;
      | ^~~~~
/usr/include/openssl/md5.h:51:27: note: declared here
   51 | OSSL_DEPRECATEDIN_3_0 int MD5_Final(unsigned char *md, MD5_CTX *c);
      | ^~~~~~~~~
../../lib/common.c:2036:19: error: assignment to ‘void (*)(unsigned char *, MD5_CTX *)’ {aka ‘void (*)(unsigned char *, struct MD5state_st *)’} from incompatible pointer type ‘int (*)(unsigned char *, MD5_CTX *)’ {aka ‘int (*)(unsigned char *, struct MD5state_st *)’} [-Wincompatible-pointer-types]
 2036 | utils->MD5Final = &MD5_Final;
      | ^
../../lib/common.c: In function ‘_sasl_find_verifyfile_callback’:
../../lib/common.c:2165:5: warning: cast between incompatible function types from ‘int (*)(void *, char *, int)’ to ‘int (*)(void)’ [-Wcast-function-type]
 2165 | (sasl_callback_ft)&_sasl_verifyfile,
      | ^
make[5]: *** [Makefile:608: common.lo] Error 1