Fix "Mismatched Case in SLikeNet include path" [cache clear] (#2910)

https://github.com/urho3d/Urho3D/issues/2908

Source/ThirdParty/SLikeNet/CMakeLists.txt

@@ -65,4 +65,4 @@ set (INCLUDE_DIRS Source/include)
 setup_library ()
 
 # Install headers for building the Urho3D library
-install_header_files (DIRECTORY Source/include/slikenet/ DESTINATION ${DEST_INCLUDE_DIR}/ThirdParty/SLikeNet FILES_MATCHING PATTERN *.h BUILD_TREE_ONLY)    # Note: the trailing slash is significant
+install_header_files (DIRECTORY Source/include/slikenet DESTINATION ${DEST_INCLUDE_DIR}/ThirdParty BUILD_TREE_ONLY)    # Note: the trailing slash is significant

Source/Urho3D/Network/Connection.cpp

@@ -38,9 +38,9 @@
 #include "../Scene/SceneEvents.h"
 #include "../Scene/SmoothedTransform.h"
 
-#include <SLikeNet/MessageIdentifiers.h>
-#include <SLikeNet/peerinterface.h>
-#include <SLikeNet/statistics.h>
+#include <slikenet/MessageIdentifiers.h>
+#include <slikenet/peerinterface.h>
+#include <slikenet/statistics.h>
 
 #ifdef SendMessage
 #undef SendMessage

Source/Urho3D/Network/Network.cpp

@@ -38,10 +38,10 @@
 #include "../Network/Protocol.h"
 #include "../Scene/Scene.h"
 
-#include <SLikeNet/MessageIdentifiers.h>
-#include <SLikeNet/NatPunchthroughClient.h>
-#include <SLikeNet/peerinterface.h>
-#include <SLikeNet/statistics.h>
+#include <slikenet/MessageIdentifiers.h>
+#include <slikenet/NatPunchthroughClient.h>
+#include <slikenet/peerinterface.h>
+#include <slikenet/statistics.h>
 
 #ifdef SendMessage
 #undef SendMessage