user32: Fix a typo.

[Dmitry Timoshkov]

---
 dlls/user32/tests/win.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/user32/tests/win.c b/dlls/user32/tests/win.c
index 1b9d729..76ca103 100644
--- a/dlls/user32/tests/win.c
+++ b/dlls/user32/tests/win.c
@@ -5091,7 +5091,7 @@ static void test_fullscreen(void)
         }
     }
 
-    UnregisterClass("MinMax_WndClass", GetModuleHandle(0));
+    UnregisterClass("fullscreen_class", GetModuleHandle(0));
 }
 
 START_TEST(win)
-- 
1.6.0.2