[atk] gengir MSVC Project: Add a PlatformToolset Tag

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

commit e5d8c11921449391ebe3af63d673e2cedd763d6d
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Thu Dec 12 14:44:43 2013 +0800

    gengir MSVC Project: Add a PlatformToolset Tag
    
    This eases transition to Visual Studio 2012/2013 as the upgrade of project
    files can be quite easily done with a script

 build/win32/vs10/gengir.vcxproj |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/build/win32/vs10/gengir.vcxproj b/build/win32/vs10/gengir.vcxproj
index b0692fd..1071b19 100644
--- a/build/win32/vs10/gengir.vcxproj
+++ b/build/win32/vs10/gengir.vcxproj
@@ -27,20 +27,24 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">