GSS_S_BAD_MIC isn't defined in MIT Kerberos

It's deprecated and GSS_S_BAD_SIG should be used instead.

Author: sigmaris

gssapi/bindings/cffi_gssapi.cdef

@@ -269,7 +269,6 @@ extern gss_OID const GSS_C_NT_EXPORT_NAME;
 #define GSS_S_BAD_BINDINGS         ...
 #define GSS_S_BAD_STATUS           ...
 #define GSS_S_BAD_SIG              ...
-#define GSS_S_BAD_MIC              ...
 #define GSS_S_NO_CRED              ...
 #define GSS_S_NO_CONTEXT           ...
 #define GSS_S_DEFECTIVE_TOKEN      ...