More nullptr usage in headers

Diff generated by running clang-tidy's modernize-use-nullptr checker on
the CMake-based Qt version.

Skipping src/3rdparty, examples/, tests/

Change-Id: Ib182074e2e2fd52f63093f73b3e2e4c0cb7af188
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/corelib/global/qglobalstatic.h b/src/corelib/global/qglobalstatic.h
index 555bdf04c1..93d71cee57 100644
--- a/src/corelib/global/qglobalstatic.h
+++ b/src/corelib/global/qglobalstatic.h
@@ -131,8 +131,8 @@ struct QGlobalStatic
 
     bool isDestroyed() const { return guard.load() <= QtGlobalStatic::Destroyed; }
     bool exists() const { return guard.load() == QtGlobalStatic::Initialized; }
-    operator Type *() { if (isDestroyed()) return 0; return innerFunction(); }
-    Type *operator()() { if (isDestroyed()) return 0; return innerFunction(); }
+    operator Type *() { if (isDestroyed()) return nullptr; return innerFunction(); }
+    Type *operator()() { if (isDestroyed()) return nullptr; return innerFunction(); }
     Type *operator->()
     {
       Q_ASSERT_X(!isDestroyed(), "Q_GLOBAL_STATIC", "The global static was used after being destroyed");