Use wxDELETE() and wxDELETEA() when possible.

Use wxDELETE[A]() functions which automatically NULL out their arguments after
deleting them instead of doing it manually.

Closes #9685.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64656 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/accel.cpp

@@ -45,8 +45,7 @@ wxAcceleratorRefData::wxAcceleratorRefData()
 
 wxAcceleratorRefData::~wxAcceleratorRefData()
 {
-    delete[] m_entries;
-    m_entries = NULL;
+    wxDELETEA(m_entries);
     m_count = 0;
 }