compat: fall back on __va_copy if available

diff --git a/quote.h b/quote.h
index 38003bff5f97a11e051b106522a8548d43d24f6c..024e21d80ceaa37ec1f893acc907a62092560d21 100644 (file)
--- a/quote.h
+++ b/quote.h
@@ -1,8 +1,7 @@
 #ifndef QUOTE_H
 #define QUOTE_H
 
-#include <stddef.h>
-#include <stdio.h>
+struct strbuf;
 
 /* Help to copy the thing properly quoted for the shell safety.
  * any single quote is replaced with '\'', any exclamation point