scripts/nsis.py: Tell makensis that WoA is 64 bit

This fixes some settings like the default installation path
for the QEMU installation on Windows on ARM (WoA).

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251209130212.764443-1-sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

scripts/nsis.py

@@ -114,7 +114,7 @@ def main():
             "-DSRCDIR=" + args.srcdir,
             "-DBINDIR=" + destdir + prefix,
         ]
-        if args.cpu == "x86_64":
+        if args.cpu == "aarch64" or args.cpu == "x86_64":
             makensis += ["-DW64"]
         makensis += ["-DDLLDIR=" + dlldir]