Fix build with -Werror=missing-include-dirs

There was a stale include path that no longer existed

Author: iamsergio

src/CMakeLists.txt

@@ -282,8 +282,7 @@ endif()
 
 if(KDDW_FRONTEND_QTQUICK)
     target_include_directories(
-        kddockwidgets PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/fwd_headers/qtquick>
-                             $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/qtquick>
+        kddockwidgets PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/qtquick>
     )
 endif()
 

tests/CMakeLists.txt

@@ -21,7 +21,6 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 include_directories(..)
 include_directories(../src)
-include_directories(../src/private)
 add_definitions(-DQT_NO_KEYWORDS)
 
 set(TESTING_RESOURCES ${CMAKE_CURRENT_SOURCE_DIR}/test_resources.qrc)