fixed a few gdi leaks

reactos/apps/tests/winhello

diff -u -r1.14 -r1.15
--- winhello.c	31 Dec 2003 00:36:28 -0000	1.14
+++ winhello.c	27 Feb 2004 10:01:49 -0000	1.15
@@ -484,7 +484,7 @@

            );
           temp = _sntprintf ( text, sizeof(text)/sizeof(*text), _T("Horizontal: %d"), Scrollparameter.nPos );
 	  TextOut(hDC,200,100,text,strlen(text));

- 

+          ReleaseDC(hWnd, hDC);

  	  return 0;
          }
  	

@@ -560,7 +560,7 @@

           );
           temp = _sntprintf ( text, sizeof(text)/sizeof(*text), _T("Vertical: %d"), Scrollparameter.nPos );
 	  TextOut(hDC,400,100,text,strlen(text));

- 

+          ReleaseDC(hWnd, hDC);

  	  return 0;
  	  }
 

@@ -644,9 +644,6 @@

 
 	 case WM_PAINT:
 	  hDC = BeginPaint(hWnd, &ps);

-	  EndPaint(hWnd, &ps);
-	  //SelectObject(hDC, tf);
-	  hDC = GetDC(hWnd);

 	  TextOut(hDC, 10, 10, "Hello World from ReactOS!", 
 			strlen("Hello World from ReactOS!"));
 	  TextOut(hDC, 10, 80, "Press Ctrl+C or Ctrl+Alt+F1 to test Hotkey support.", 

@@ -657,7 +654,6 @@

           sprintf(sir, "%lu,%lu,%lu,%lu              ", wir.left, wir.top, wir.right, wir.bottom);
           TextOut(hDC, 10, 30, spr, 20);
           TextOut(hDC, 10, 50, sir, 20);

-	  ReleaseDC ( hWnd, hDC );

 
 	  /* Draw "Hello, World" in the middle of the upper
 	   * half of the window. */