Fix missing reference for VS project.

vc12/otclient.vcxproj

@@ -210,6 +210,7 @@
     <ClCompile Include="..\src\framework\core\asyncdispatcher.cpp" />
     <ClCompile Include="..\src\framework\core\binarytree.cpp" />
     <ClCompile Include="..\src\framework\core\clock.cpp" />
+    <ClCompile Include="..\src\framework\core\config.cpp" />
     <ClCompile Include="..\src\framework\core\configmanager.cpp" />
     <ClCompile Include="..\src\framework\core\event.cpp">
       <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">FW_GRAPHICS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -360,6 +361,7 @@
     <ClInclude Include="..\src\framework\core\asyncdispatcher.h" />
     <ClInclude Include="..\src\framework\core\binarytree.h" />
     <ClInclude Include="..\src\framework\core\clock.h" />
+    <ClInclude Include="..\src\framework\core\config.h" />
     <ClInclude Include="..\src\framework\core\configmanager.h" />
     <ClInclude Include="..\src\framework\core\declarations.h" />
     <ClInclude Include="..\src\framework\core\event.h" />

vc12/otclient.vcxproj.filters

@@ -525,6 +525,9 @@
     <ClCompile Include="..\src\main.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\framework\core\config.cpp">
+      <Filter>Source Files\framework\core</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\framework\const.h">
@@ -1043,6 +1046,9 @@
     <ClInclude Include="..\src\client\uisprite.h">
       <Filter>Header Files\client</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\framework\core\config.h">
+      <Filter>Header Files\framework\core</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="..\src\otcicon.rc">