[gjs] Visual Studio builds: Mention about SpiderMonkey 38 patch

[Chun-wei Fan <fanchunwei src gnome org>]

commit 7605ee6aad05c6e33ecc53f49ae467bf13c6ae19
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Thu Feb 16 00:03:04 2017 +0800

    Visual Studio builds: Mention about SpiderMonkey 38 patch
    
    Philip kindly provided a patch for SpiderMonkey's configure script to fix
    the .lib/.DLL naming issue that was mentioned in the previous update to
    win32/README.txt, so tell people about that alternative.
    
    See: https://bugzilla.gnome.org/show_bug.cgi?id=775868#c56

 win32/README.txt |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/win32/README.txt b/win32/README.txt
index 500f4db..4aa9dbb 100644
--- a/win32/README.txt
+++ b/win32/README.txt
@@ -23,7 +23,9 @@ directory might not be what one may expect, which is likely due to bugs in its b
 scripts.  If this is the case, rename mozjs-.lib to mozjs-38.lib, and the
 include directory from mozjs- to mozjs-38 (but please do *not* rename mozjs-.dll
 and mozjs-.pdb, as they will be searched for when gjs-console.exe/gjs.exe runs,
-along with any program that uses the GJS DLL).
+along with any program that uses the GJS DLL).  Otherwise, do (or redo) the
+SpiderMonkey build process (including running configure) after applying the patch
+from https://git.gnome.org/browse/jhbuild/tree/patches/mozjs38-release-number.patch
 
 The following are instructions for performing such a build, as there is a
 number of build configurations supported for the build.  Note that the default