print error messages to stderr; change all in-string quoting to use "

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14021 ec53bebd-3082-4978-b11e-865c3cabbd6b

kadmin/rename.c

@@ -43,7 +43,7 @@ rename_entry(void *opt, int argc, char **argv)
     krb5_principal princ1, princ2;
 
     if(argc != 2) {
-	printf("rename [options] from to\n");
+	fprintf(stderr, "usage: rename [options] from to\n");
 	return 0;
     }