[stef@stef-desktop frob]$ gcc --version
gcc (GCC) 4.7.0 20120416 (Red Hat 4.7.0-2)
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Fix these warnings in pam_winbind:

../nsswitch/pam_winbind.c: In function ‘converse’:
../nsswitch/pam_winbind.c:651:9: warning: to be safe all intermediate pointers in cast from ‘struct pam_message **’ to ‘const struct pam_message **’ must be ‘const’ qualified [-Wcast-qual]
../nsswitch/pam_winbind.c: In function ‘winbind_chauthtok_request’:
../nsswitch/pam_winbind.c:1989:4: warning: case value ‘4294967295’ not in enumerated type ‘enum wbcPasswordChangeRejectReason’ [-Wswitch]
../nsswitch/pam_winbind.c: In function ‘pam_sm_acct_mgmt’:
../nsswitch/pam_winbind.c:2840:9: warning: to be safe all intermediate pointers in cast from ‘void **’ to ‘const void **’ must be ‘const’ qualified [-Wcast-qual]
../nsswitch/pam_winbind.c: In function ‘pam_sm_chauthtok’:
../nsswitch/pam_winbind.c:3078:7: warning: to be safe all intermediate pointers in cast from ‘char **’ to ‘const char **’ must be ‘const’ qualified [-Wcast-qual]
../nsswitch/pam_winbind.c:3148:12: warning: to be safe all intermediate pointers in cast from ‘char **’ to ‘const char **’ must be ‘const’ qualified [-Wcast-qual]

Couldn't fix these:

../nsswitch/pam_winbind.c: In function ‘_pam_get_item’:
../nsswitch/pam_winbind.c:175:22: warning: cast discards ‘__attribute__((const))’ qualifier from pointer target type [-Wcast-qual]
../nsswitch/pam_winbind.c: In function ‘_pam_get_data’:
../nsswitch/pam_winbind.c:182:22: warning: cast discards ‘__attribute__((const))’ qualifier from pointer target type [-Wcast-qual]