Add changelog entry

Signed-off-by: SlugFiller <5435495+SlugFiller@users.noreply.github.com>
diff --git a/ChangeLog.d/fix-win32-llvm-build.txt b/ChangeLog.d/fix-win32-llvm-build.txt
new file mode 100644
index 0000000..826551c
--- /dev/null
+++ b/ChangeLog.d/fix-win32-llvm-build.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Fix builds on Windows with clang