[KBDLAYOUT] Avoid (DLGPROC) cast (#5698)

- Avoid DLGPROC-cast
- Bring header-section closer to our coding guidelines
- Strip inconsistent empty-lines
- Strip useless return at the end of void func

Co-authored-by: Katayama Hirofumi MZ <[e-mail]>

modules/rostests/win32/user32/kbdlayout/kbdlayout.c

···
 /*
- * PROJECT:         ReactOS
- * LICENSE:         GPL - See COPYING in the top level directory
- * FILE:            base/applications/testset/user32/kbdlayout/kbdlayout.c
- * PURPOSE:         Keyboard layout testapp
- * COPYRIGHT:       Copyright 2007 Saveliy Tretiakov
+ * PROJECT:     ReactOS
+ * LICENSE:     GPL - See COPYING in the top level directory
+ * PURPOSE:     Keyboard layout testapp
+ * COPYRIGHT:   Copyright 2007 Saveliy Tretiakov
  */
 
 #define UNICODE
···
 
 
 
-LRESULT MainDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam);
+INT_PTR CALLBACK MainDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam);
 
 
 HINSTANCE hInst;
···
 
 DWORD WINAPI ThreadProc(LPVOID lpParam)
 {
-
 	DialogBoxParam(hInst,
 		MAKEINTRESOURCE(IDD_MAINDIALOG),
 		NULL,
-		(DLGPROC)MainDialogProc,
+		MainDialogProc,
 		(LPARAM)NULL);
 
 	return 0;
···
     LPSTR lpCmdLine,
     int nCmdShow)
 {
-
-
 	hInst = hInstance;
 
 	ThreadProc(0);
 
 	return 0;
 }
-
 
 int GetKlList(HKL **list)
 {
···
 {
 	HeapFree(GetProcessHeap(), 0, list);
 }
-
 
 void UpdateData(HWND hDlg)
 {
···
 	va_end(argptr);
 }
 
-
-LRESULT CALLBACK WndSubclassProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+LRESULT CALLBACK WndSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
 	WND_DATA *data = (WND_DATA*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
 
···
 		//Pass message to defwindowproc
 	}
 
-	return ( CallWindowProc( data->OrigProc, hwnd, uMsg, wParam, lParam) );
+	return CallWindowProc(data->OrigProc, hwnd, uMsg, wParam, lParam);
 }
 
 void SubclassWnd(HWND hWnd, WCHAR* Name)
···
 	data->OrigProc = (WNDPROC)SetWindowLongPtr( hWnd, GWLP_WNDPROC, (LONG_PTR)WndSubclassProc);
 	wcsncpy(data->WndName, Name, 25);
 	SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)data);
-	return;
 }
 
 DWORD GetActivateFlags(HWND hDlg)
···
 		ret |= KLF_SETFORPROCESS;
 
 	return ret;
-
 }
 
 DWORD GetLoadFlags(HWND hDlg)
···
 
 HKL GetActivateHandle(HWND hDlg)
 {
-
 	if(IsDlgButtonChecked(hDlg, IDC_FROMLIST))
 		return GetSelectedLayout(hDlg);
 	else if(IsDlgButtonChecked(hDlg, IDC_HKL_NEXT))
 		return (HKL)HKL_NEXT;
 
 	return (HKL)HKL_PREV;
-
 }
 
-
-/***************************************************
- * MainDialogProc                                  *
- ***************************************************/
-
-LRESULT MainDialogProc(HWND hDlg,
+INT_PTR CALLBACK MainDialogProc(HWND hDlg,
 	UINT Msg,
 	WPARAM wParam,
 	LPARAM lParam)
···
 					}
 					break;
 				}
-
 			}
 
 			return TRUE;
 		} /* WM_COMMAND */
-
 
 		case WM_INPUTLANGCHANGE:
 		{
···
 		default:
 			return FALSE;
 	}
-
 }
 
-
-
-