Half of Lars Gunnarsson's iXplorer compatibility patch: the PSFTP

login prompt should be fflushed (presumably fgets fails to implicitly
do this when stdin and stdout are redirected weirdly).

[originally from svn r2186]

psftp.c

@@ -1769,6 +1769,7 @@ static int psftp_connect(char *userhost, char *user, int portnumber)
     }
     if (!cfg.username[0]) {
 	printf("login as: ");
+	fflush(stdout);
 	if (!fgets(cfg.username, sizeof(cfg.username), stdin)) {
 	    fprintf(stderr, "psftp: aborting\n");
 	    cleanup_exit(1);