another int -> bool conversion

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1968 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

src/files.c

@@ -1772,7 +1772,7 @@ int do_writeout(bool exiting)
     int i;
     int append = 0;
 #ifdef NANO_EXTRA
-    static int did_cred = FALSE;
+    static bool did_cred = FALSE;
 #endif
 
 #if !defined(DISABLE_BROWSER) || !defined(DISABLE_MOUSE)