add (missing) tar to list of packages to get under mingw

diff --git a/README.md b/README.md
index f2385f315186fa37bea59f84901753817bd6d5a1..b79c9703f44ef17d2c37c7e6869e22d55f6ed0a7 100644 (file)
--- a/README.md
+++ b/README.md
@@ -89,6 +89,7 @@ build.
    $ pacman -S git \
                make \
                diffutils \
+               tar \
                mingw-w64-x86_64-python2 \
                mingw-w64-x86_64-cmake \
                mingw-w64-x86_64-gcc