log "empty shape" messages as level debug.

diff --git a/pdf2swf/swfoutput.cc b/pdf2swf/swfoutput.cc
index 0e8b257..be993e4 100644 (file)
--- a/pdf2swf/swfoutput.cc
+++ b/pdf2swf/swfoutput.cc
@@ -1293,7 +1293,7 @@ static void endshape()
     swf_ShapeSetEnd(tag);
 
     if(shapeisempty) {
-       msg("<warning> empty shape");
+       msg("<debug> empty shape");
        // TODO: delete tag
     }