patch 7.4.1417
Problem:    Missing appveyor.bat from the distribution.
Solution:   Add it to the list of files.
diff --git a/Filelist b/Filelist
index c7bc515..1134bbe 100644
--- a/Filelist
+++ b/Filelist
@@ -6,6 +6,7 @@
 		.hgignore \
 		.travis.yml \
 		appveyor.yml \
+		src/appveyor.bat \
 		src/README.txt \
 		src/alloc.h \
 		src/arabic.c \