(WS_EX_LAYERED): Define if not already.

src/ChangeLog

+2008-07-07  Jason Rumney  <jasonr@gnu.org>
+
+        * w32term.c (WS_EX_LAYERED): Define if not already.
+
 2008-07-06  Chong Yidong  <cyd@stupidchicken.com>
 
 	* xfaces.c (set_font_frame_param): Don't try to set the font

src/w32term.c

@@ -145,6 +145,11 @@ BOOL (PASCAL *pfnSetLayeredWindowAttributes) (HWND, COLORREF, BYTE, DWORD);
 #ifndef LWA_ALPHA
 #define LWA_ALPHA 0x02
 #endif
+/* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
+   later targets by MSVC headers.  */
+#ifndef WS_EX_LAYERED
+#define WS_EX_LAYERED 0x80000
+#endif
 
 /* Frame being updated by update_frame.  This is declared in term.c.
    This is set by update_begin and looked at by all the