[banshee] build: give more clues on how to not run the WiX installer (windows)

[Andrés Aragoneses <aaragoneses src gnome org>]

commit 8644f359477ba0801fa5f5e74b8c63680e42c240
Author: Andres G. Aragoneses <knocte gmail com>
Date:   Sun Apr 21 01:58:09 2013 +0100

    build: give more clues on how to not run the WiX installer (windows)
    
    It wasn't clear if it was the wixproj (via MSBuild or VisualStudio) which
    called the javascript file or the other way around.

 build/windows/README.txt         | 3 ++-
 build/windows/build-installer.js | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/build/windows/README.txt b/build/windows/README.txt
index 588e8e8..e15741f 100644
--- a/build/windows/README.txt
+++ b/build/windows/README.txt
@@ -9,7 +9,8 @@ You need
 - WIX 3.5 installed
 - Banshee built
 
-With that, you should be able to run build-installer.js and have it produce the
+With that, you should be able to run build-installer.js (inside a Windows command
+line shell, not simply running it in an explorer window) and have it produce the
 installer.
 
 == Updating Bundled Deps ==
diff --git a/build/windows/build-installer.js b/build/windows/build-installer.js
index f958331..9ae6716 100644
--- a/build/windows/build-installer.js
+++ b/build/windows/build-installer.js
@@ -1,6 +1,9 @@
 // This script was started by copying MonoDevelop's, available at 
 // https://github.com/mono/monodevelop/tree/master/setup/WixSetup
 
+// To run: just open a Windows command line (cmd.exe) and invoke
+// it like if it was a .bat/.cmd file (do not simply double-click)
+
 // HEAT manual: http://wix.sourceforge.net/manual-wix3/heat.htm
 
 var bin = '..\\..\\bin';