Forgot to add search to vcxproj

Chapter04/Game.vcxproj

@@ -24,6 +24,7 @@
     <ClCompile Include="Math.cpp" />
     <ClCompile Include="MoveComponent.cpp" />
     <ClCompile Include="NavComponent.cpp" />
+    <ClCompile Include="Search.cpp" />
     <ClCompile Include="SpriteComponent.cpp" />
     <ClCompile Include="Tile.cpp" />
     <ClCompile Include="Tower.cpp" />

Chapter04/Game.vcxproj.filters

@@ -55,6 +55,9 @@
     <ClCompile Include="AIState.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Search.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Actor.h">