compat: fall back on __va_copy if available

diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c
index 99654d02221c13ff98f268ad2dee99f16e794750..2d4327801e4f7766328389311c87dd63d4c5f8e4 100644 (file)
--- a/builtin/mailsplit.c
+++ b/builtin/mailsplit.c
@@ -10,7 +10,7 @@
 #include "strbuf.h"
 
 static const char git_mailsplit_usage[] =
-"git mailsplit [-d<prec>] [-f<n>] [-b] [--keep-cr] -o<directory> [<mbox>|<Maildir>...]";
+"git mailsplit [-d<prec>] [-f<n>] [-b] [--keep-cr] -o<directory> [(<mbox>|<Maildir>)...]";
 
 static int is_from_line(const char *line, int len)
 {