cleanup screenshot file

diff --git a/test/Makefile b/test/Makefile
index b9ea996..5159577 100644 (file)
--- a/test/Makefile
+++ b/test/Makefile
@@ -8,8 +8,9 @@ PHANTOMJS=      ./node_modules/phantomjs/bin/phantomjs
 all: check
 
 clean:
+       rm -f mkws-error.png
 
-distclean:
+distclean: clean
        rm -rf node_modules
 
 mkws-complete-syntax-check: