kinit: use result of security framework test to enable its use

we already test for the security framework. use the result of it
to decide if we want to enable its use

kuser/kinit.c

@@ -35,7 +35,7 @@
 
 #include "kuser_locl.h"
 
-#ifdef __APPLE__
+#ifdef HAVE_FRAMEWORK_SECURITY
 #include <Security/Security.h>
 #endif
 
@@ -477,7 +477,7 @@ get_new_tickets(krb5_context context,
 	passwd[strcspn(passwd, "\n")] = '\0';
     }
 
-#ifdef __APPLE__
+#ifdef HAVE_FRAMEWORK_SECURITY
     if (passwd[0] == '\0') {
 	const char *realm;
 	OSStatus osret;