Use the app name, not display name, as debug report name,

This name is used for files/directories and so should be short and not contain
spaces while the display name usually does contain them.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61645 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/debugrpt.cpp

@@ -252,8 +252,8 @@ wxDebugReport::~wxDebugReport()
 
 wxString wxDebugReport::GetReportName() const
 {
-    if(wxTheApp)
+    if ( wxTheApp )
-        return wxTheApp->GetAppDisplayName();
+        return wxTheApp->GetAppName();
 
     return wxT("wx");
 }