imm32/tests: Fix typo.

hwnd is a global variable, hWnd is a local variable. They're very confusable.

Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/imm32/tests/imm32.c

@@ -184,7 +184,7 @@ static LRESULT WINAPI wndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
             return TRUE;
     }
 
-    return DefWindowProcA(hwnd,msg,wParam,lParam);
+    return DefWindowProcA(hWnd,msg,wParam,lParam);
 }
 
 static BOOL init(void) {