Add DOS script launcher line (to be ignored)

diff --git a/MagickWand/tests/Makefile b/MagickWand/tests/Makefile
index 8aba510..08a58df 100644
--- a/MagickWand/tests/Makefile
+++ b/MagickWand/tests/Makefile
@@ -21,3 +21,4 @@
 
 test_script:
 	script-token-test.sh | diff script-token-test-results.txt -
+