Add a missing #include.

[originally from svn r10179]

diff --git a/emcc.c b/emcc.c
index dda571645645f2623c0d7f321706d99074051dfd..1c07a3703a467408f8f67caf2a7b206c8cd55b7c 100644 (file)
--- a/emcc.c
+++ b/emcc.c
@@ -49,6 +49,7 @@
 
 #include <assert.h>
 #include <string.h>
+#include <stdarg.h>
 
 #include "puzzles.h"