Fixed a couple of typos in file chooser messages.

modules/juce_gui_basics/filebrowser/juce_FileChooserDialogBox.cpp

@@ -203,7 +203,7 @@ void FileChooserDialogBox::okButtonPressed()
     {
         AlertWindow::showOkCancelBox (AlertWindow::WarningIcon,
                                       TRANS("File already exists"),
-                                      TRANS("There's already a file called: FLMN")
+                                      TRANS("There's already a file called: FLNM")
                                          .replace ("FLNM", content->chooserComponent.getSelectedFile(0).getFullPathName())
                                         + "\n\n"
                                         + TRANS("Are you sure you want to overwrite it?"),

modules/juce_gui_extra/documents/juce_FileBasedDocument.cpp

@@ -119,7 +119,7 @@ static bool askToOverwriteFile (const File& newFile)
 {
     return AlertWindow::showOkCancelBox (AlertWindow::WarningIcon,
                                             TRANS("File already exists"),
-                                            TRANS("There's already a file called: FLMN")
+                                            TRANS("There's already a file called: FLNM")
                                                 .replace ("FLNM", newFile.getFullPathName())
                                              + "\n\n"
                                              + TRANS("Are you sure you want to overwrite it?"),