Get rid of most instance of 'foo != NULL'

core/src/fxge/win32/fx_win32_dwrite.cpp

Index: core/src/fxge/win32/fx_win32_dwrite.cpp
diff --git a/core/src/fxge/win32/fx_win32_dwrite.cpp b/core/src/fxge/win32/fx_win32_dwrite.cpp
index ab50f3cf38cab4811f2aec0723c69654640509ce..83924f23e7e1780169fdb686ef18f6acbe915663 100644
--- a/core/src/fxge/win32/fx_win32_dwrite.cpp
+++ b/core/src/fxge/win32/fx_win32_dwrite.cpp
@@ -18,14 +18,14 @@ typedef HRESULT(__stdcall* FuncType_DWriteCreateFactory)(
     __out IUnknown**);
 template <typename InterfaceType>
 inline void SafeRelease(InterfaceType** currentObject) {
-  if (*currentObject != NULL) {
+  if (*currentObject) {
     (*currentObject)->Release();
     *currentObject = NULL;
   }
 }
 template <typename InterfaceType>
 inline InterfaceType* SafeAcquire(InterfaceType* newObject) {
-  if (newObject != NULL) {
+  if (newObject) {
     newObject->AddRef();
   }
   return newObject;