Move some static stuff to anonymous namespace

To silence the linter and to have proper linkage.

Author: MiloszKosobuckiKDAB

src/KDFoundation/platform/win32/win32_platform_timer.cpp

@@ -19,10 +19,12 @@
 
 using namespace KDFoundation;
 
+namespace {
 inline Win32PlatformEventLoop *eventLoop()
 {
     return static_cast<Win32PlatformEventLoop *>(CoreApplication::instance()->eventLoop());
 }
+} // namespace
 
 Win32PlatformTimer::Win32PlatformTimer(Timer *timer)
     : m_timer(timer)

tests/auto/foundation/core_application/tst_core_application.cpp

@@ -189,6 +189,7 @@ TEST_CASE("Event handling")
     }
 }
 
+namespace {
 /// macOS on GitHub runners is super slow and timeouts
 template<typename T>
 inline T adjustTimeout(T timeout)
@@ -200,6 +201,7 @@ inline T adjustTimeout(T timeout)
 
     return timeout;
 }
+} // namespace
 
 TEST_CASE("Timer handling" * doctest::timeout(120))
 {

tests/auto/foundation/event_queue/tst_event_queue.cpp

@@ -28,6 +28,7 @@ static_assert(!std::is_copy_assignable<EventQueue>{});
 static_assert(!std::is_move_constructible<EventQueue>{});
 static_assert(!std::is_move_assignable<EventQueue>{});
 
+namespace {
 class MyEvent : public Event
 {
 public:
@@ -63,6 +64,7 @@ void populateEventQueueWithNEvents(EventQueue &eventQueue, int n, std::vector<Pa
         eventQueue.push(target, std::move(ev));
     }
 }
+} // namespace
 
 TEST_CASE("Single-threaded use")
 {