add solution for msvc 2010
diff --git a/makefiles/msvc2010/jsoncpp.sln b/makefiles/msvc2010/jsoncpp.sln
new file mode 100644
index 0000000..7311e80
--- /dev/null
+++ b/makefiles/msvc2010/jsoncpp.sln
@@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lib_json", "lib_json.vcxproj", "{1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Win32 = Debug|Win32
+ Debug|x64 = Debug|x64
+ Release|Win32 = Release|Win32
+ Release|x64 = Release|x64
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Debug|Win32.ActiveCfg = Debug|Win32
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Debug|Win32.Build.0 = Debug|Win32
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Debug|x64.ActiveCfg = Debug|x64
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Debug|x64.Build.0 = Debug|x64
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Release|Win32.ActiveCfg = Release|Win32
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Release|Win32.Build.0 = Release|Win32
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Release|x64.ActiveCfg = Release|x64
+ {1E6C2C1C-6453-4129-AE3F-0EE8E6599C89}.Release|x64.Build.0 = Release|x64
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal