Fix harmless MSVC warning about converting pointer to bool.

Compare the pointer with NULL explicitly to avoid "forcing value to bool"
warning C4800 from MSVC in richtext code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71785 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/richtext/richtextstylepage.cpp b/src/richtext/richtextstylepage.cpp
index bb646168a3286b7edce785660a77cf3f9fbadeb5..2d403075e45040e0b64a33d010ba7e06ebbc445c 100644 (file)
--- a/src/richtext/richtextstylepage.cpp
+++ b/src/richtext/richtextstylepage.cpp
@@ -310,7 +310,7 @@ wxIcon wxRichTextStylePage::GetIconResource( const wxString& name )
 void wxRichTextStylePage::OnNextStyleUpdate( wxUpdateUIEvent& event )
 {
     wxRichTextStyleDefinition* def = wxRichTextFormattingDialog::GetDialogStyleDefinition(this);
-    event.Enable(wxDynamicCast(def, wxRichTextParagraphStyleDefinition));
+    event.Enable(wxDynamicCast(def, wxRichTextParagraphStyleDefinition) != NULL);
 }
 
 #endif // wxUSE_RICHTEXT