Fix nsis download link (again)

Fixes #1413

scripts/build-exe-installer.py

@@ -45,11 +45,11 @@
 zipfile.ZipFile(io.BytesIO(response.content)).extractall("build/python-first")
 
 print("Downloading NSIS")
-# sourceforge broke their download link. Fortunately I found the same file
-# from a different site by googling the file name "nsis-3.08.zip".
-# There were also a few copies of it in my downloads folder.
-# url = "https://downloads.sourceforge.net/project/nsis/NSIS%203/3.08/nsis-3.08.zip"
-url = "https://fossies.org/windows/misc/nsis-3.08.zip"
+# Sometimes these links break.
+# If they are all simultaneously broken, search the file name on google.
+# There are also a few copies in Akuli's downloads folder.
+# url = "https://fossies.org/windows/misc/nsis-3.08.zip"
+url = "https://downloads.sourceforge.net/project/nsis/NSIS%203/3.08/nsis-3.08.zip"
 print(url)
 response = requests.get(url)
 response.raise_for_status()