memory leak fixes in file dialogs (patch 783812)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@23765 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -215,6 +215,7 @@ wxGTK
 
 - fixed compilation with --disable-compat-22
 - set the event object correctly for wxMenu events (Bob Balfour)
+- fixed memory leak in wxFileDialog (Christian Sturmlechner)
 
 wxMSW:
 

src/generic/filedlgg.cpp

@@ -1445,7 +1445,7 @@ void wxFileDialog::HandleAction( const wxString &fn )
         wxString cwd;
         wxSplitPath(filename, &cwd, NULL, NULL);
 
-        if ( cwd != wxGetWorkingDirectory() )
+        if ( cwd != wxGetCwd() )
         {
             wxSetWorkingDirectory(cwd);
         }

src/gtk/filedlg.cpp

@@ -89,7 +89,7 @@ void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dial
         wxString cwd;
         wxSplitPath(filename, &cwd, NULL, NULL);
 
-        if ( cwd != wxGetWorkingDirectory() )
+        if ( cwd != wxGetCwd() )
         {
             wxSetWorkingDirectory(cwd);
         }

src/gtk1/filedlg.cpp

@@ -89,7 +89,7 @@ void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dial
         wxString cwd;
         wxSplitPath(filename, &cwd, NULL, NULL);
 
-        if ( cwd != wxGetWorkingDirectory() )
+        if ( cwd != wxGetCwd() )
         {
             wxSetWorkingDirectory(cwd);
         }