update clean for iframe html pages

diff --git a/test/widgets/Makefile b/test/widgets/Makefile
index ceacd0c..188a07d 100644 (file)
--- a/test/widgets/Makefile
+++ b/test/widgets/Makefile
@@ -18,6 +18,7 @@ all: help
 
 clean:
        rm -f index-*.html
 
 clean:
        rm -f index-*.html

+       rm -f iframe-*.html

        rm -f ${IMAGES}/*.png
 
 distclean: clean
        rm -f ${IMAGES}/*.png
 
 distclean: clean