busybox: do not print help to fd 2, print it to fd 1

 otherwise this can break scripts

diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 86f8508..06a83e5 100644 (file)
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -638,6 +638,7 @@ static int busybox_main(char **argv)
                /* leading tab and room to wrap */
                output_width -= MAX_APPLET_NAME_LEN + 8;
 
+               dup2(1, 2);
                full_write2_str(bb_banner); /* reuse const string... */
                full_write2_str(" multi-call binary\n"
                       "Copyright (C) 1998-2008 Erik Andersen, Rob Landley, Denys Vlasenko\n"