Implemented RealGetWindowClass.

dlls/user/user32.spec

@@ -448,9 +448,11 @@
 @ stdcall PostThreadMessageA(long long long long)
 @ stdcall PostThreadMessageW(long long long long)
 @ stdcall PtInRect(ptr long long)
-# @ stub RealChildWindowFromPoint
-# @ stub RealGetWindowClass
 @ stub QuerySendMessage
+# @ stub RealChildWindowFromPoint
+@ stdcall RealGetWindowClass(long ptr long) RealGetWindowClassA
+@ stdcall RealGetWindowClassA(long ptr long)
+@ stdcall RealGetWindowClassW(long ptr long)
 @ stdcall RedrawWindow(long ptr long long)
 @ stdcall RegisterClassA(ptr)
 @ stdcall RegisterClassExA(ptr)

include/winuser.h

@@ -4266,6 +4266,9 @@ UINT        WINAPI PrivateExtractIconExW(LPCWSTR,int,HICON*,HICON*,UINT);
 UINT        WINAPI PrivateExtractIconsA(LPCSTR,int,int,int,HICON*,UINT*,UINT,UINT);
 UINT        WINAPI PrivateExtractIconsW(LPCWSTR,int,int,int,HICON*,UINT*,UINT,UINT);
 BOOL        WINAPI PtInRect(const RECT*,POINT);
+UINT        WINAPI RealGetWindowClassA(HWND,LPSTR,UINT);
+UINT        WINAPI RealGetWindowClassW(HWND,LPWSTR,UINT);
+#define     RealGetWindowClass WINELIB_NAME_AW(RealGetWindowClass)
 BOOL        WINAPI RedrawWindow(HWND,const RECT*,HRGN,UINT);
 ATOM        WINAPI RegisterClassA(const WNDCLASSA *);
 ATOM        WINAPI RegisterClassW(const WNDCLASSW *);

windows/class.c

@@ -1103,6 +1103,24 @@ INT WINAPI GetClassNameW( HWND hwnd, LPWSTR buffer, INT count )
 
 
 /***********************************************************************
+ *		RealGetWindowClassA (USER32.@)
+ */
+UINT WINAPI RealGetWindowClassA( HWND hwnd, LPSTR buffer, UINT count )
+{
+    return GetClassNameA( hwnd, buffer, count );
+}
+
+
+/***********************************************************************
+ *		RealGetWindowClassW (USER32.@)
+ */
+UINT WINAPI RealGetWindowClassW( HWND hwnd, LPWSTR buffer, UINT count )
+{
+    return GetClassNameW( hwnd, buffer, count );
+}
+
+
+/***********************************************************************
  *		GetClassInfo (USER.404)
  */
 BOOL16 WINAPI GetClassInfo16( HINSTANCE16 hInst16, SEGPTR name, WNDCLASS16 *wc )