Revert "Windows: Bump to GCC 7.2 for GHC 8.4"

This reverts commit b62097d10e0ff490f862661a24e3ca1cc1bba841.

1 files changed, 28 insertions, 28 deletions

diff --git a/mk/win32-tarballs.md5sum b/mk/win32-tarballs.md5sum
index 2c2d3df93a..c60487a066 100644
--- a/mk/win32-tarballs.md5sum
+++ b/mk/win32-tarballs.md5sum
@@ -1,39 +1,39 @@
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