Win32: Get 32-bit Windows build working

Also includes changes to allow simultaneous 32-bit and 64-bit Windows builds.

diff --git a/update_external_sources.bat b/update_external_sources.bat
index a76ed80..c7be240 100755 (executable)
--- a/update_external_sources.bat
+++ b/update_external_sources.bat
@@ -691,7 +691,7 @@ goto:eof
    mkdir build\r
    set SPIRV_TOOLS_BUILD_DIR=%SPIRV_TOOLS_DIR%\build\r
    cd %SPIRV_TOOLS_BUILD_DIR%\r
-   \r
+
    echo Generating 64-bit spirv-tools CMake files for Visual Studio %VS_VERSION% ..\r
    cmake -G "Visual Studio %VS_VERSION% Win64" ..\r
    \r