dump error message to stderr instead of stdout.

diff --git a/avi2swf/avi2swf.cc b/avi2swf/avi2swf.cc
index bdc97a4..e980747 100644 (file)
--- a/avi2swf/avi2swf.cc
+++ b/avi2swf/avi2swf.cc
@@ -239,7 +239,7 @@ int main (int argc,char ** argv)
 #endif
 
     if(ret<0) {
-       printf("Error opening %s\n", filename);
+       fprintf(stderr, "Error opening %s\n", filename);
        exit(1);
     }