Add PCH workaround include.

Source/Urho3D/UI/ProgressBar.cpp

@@ -20,12 +20,13 @@
 // THE SOFTWARE.
 //
 
-#include "ProgressBar.h"
+#include "../Precompiled.h"
 
 #include "../Core/Context.h"
 #include "../Input/InputEvents.h"
 #include "../IO/Log.h"
-#include "UIEvents.h"
+#include "../UI/ProgressBar.h"
+#include "../UI/UIEvents.h"
 
 namespace Urho3D
 {

Source/Urho3D/UI/UIComponent.cpp

@@ -19,6 +19,9 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 //
+
+#include "../Precompiled.h"
+
 #include "../Core/Context.h"
 #include "../Graphics/BillboardSet.h"
 #include "../Graphics/Graphics.h"