notepad: Fix trying to open non-existent files with the command line.

programs/notepad/dialog.c

@@ -59,7 +59,7 @@ VOID ShowLastError(void)
  *    Untitled - Notepad        if no file is open
  *    filename - Notepad        if a file is given
  */
-static void UpdateWindowCaption(void)
+void UpdateWindowCaption(void)
 {
   WCHAR szCaption[MAX_STRING_LEN];
   WCHAR szNotepad[MAX_STRING_LEN];

programs/notepad/dialog.h

@@ -52,6 +52,7 @@ int DIALOG_StringMsgBox(HWND hParent, int formatId, LPCWSTR szString, DWORD dwFl
 
 /* utility functions */
 VOID ShowLastError(void);
+void UpdateWindowCaption(void);
 BOOL FileExists(LPCWSTR szFilename);
 BOOL DoCloseFile(void);
 void DoOpenFile(LPCWSTR szFileName);

programs/notepad/main.c

@@ -698,7 +698,8 @@ static void HandleCommandLine(LPWSTR cmdline)
         {
             switch (AlertFileDoesNotExist(file_name)) {
             case IDYES:
-                DoOpenFile(file_name);
+                SetFileName(file_name);
+                UpdateWindowCaption();
                 break;
 
             case IDNO: