Merged some patches from NetBSD pkgsrc:

Added two patches for Solaris 8. The X11 implementation does not
define the xEvent structure unless NEED_EVENTS is defined.

--HG--
branch : SDL-1.2

src/video/dga/SDL_dgaevents.c

@@ -24,6 +24,8 @@
 /* Handle the event stream, converting DGA events into SDL events */
 
 #include <stdio.h>
+#define NEED_EVENTS
+#define NEED_REPLIES
 #include <X11/Xlib.h>
 #include "../Xext/extensions/xf86dga.h"
 

src/video/dga/SDL_dgavideo.c

@@ -26,6 +26,8 @@
 
 #include <stdio.h>
 
+#define NEED_EVENTS
+#define NEED_REPLIES
 #include <X11/Xlib.h>
 #include "../Xext/extensions/xf86dga.h"