email footer: Change Windows msi paths for x86 and x64

tools/email-footer.md

@@ -1,10 +1,12 @@
 Source Code: http://nodejs.org/dist/__VERSION__/node-__VERSION__.tar.gz
 
-Windows Installer: http://nodejs.org/dist/__VERSION__/node-__VERSION__.msi
+Macintosh Installer (Universal): http://nodejs.org/dist/__VERSION__/node-__VERSION__.pkg
 
-Windows x64 Files: http://nodejs.org/dist/__VERSION__/x64/
+Windows Installer: http://nodejs.org/dist/__VERSION__/node-__VERSION__-x86.msi
 
-Macintosh Installer (Universal): http://nodejs.org/dist/__VERSION__/node-__VERSION__.pkg
+Windows Installer: http://nodejs.org/dist/__VERSION__/x64/node-__VERSION__-x64.msi
+
+Windows x64 Files: http://nodejs.org/dist/__VERSION__/x64/
 
 Other release files: http://nodejs.org/dist/__VERSION__/