CMakeLists.txt: Drop quotes causing invalid include paths for Qt5

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8dd678370300feaa26c9ae0c20dfc6521b8dcaa..0cc8fbd46539980e8da0260a9595d34278de1aaf 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,8 +77,8 @@ if(Qt5Core_FOUND)
        message("-- Using Qt5")
        find_package(Qt5Widgets REQUIRED)
        find_package(Qt5Gui REQUIRED)
-       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS}")
-       set(QT_INCLUDE_DIRS "${Qt5Gui_INCLUDE_DIRS} ${Qt5Widgets_INCLUDE_DIRS}")
+       set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS})
+       set(QT_INCLUDE_DIRS ${Qt5Gui_INCLUDE_DIRS} ${Qt5Widgets_INCLUDE_DIRS})
        set(QT_LIBRARIES Qt5::Gui Qt5::Widgets)
        add_definitions(${Qt5Gui_DEFINITIONS} ${Qt5Widgets_DEFINITIONS})
 else()