apply the viddef_t patches from Jukka Sorjonen <jukka.sorjonen@asikkala.fi>

common/vid_ggi.c

@@ -49,7 +49,7 @@
 #include <console.h>
 #include <client.h>
 
-viddef_t	vid; // global video state
+extern viddef_t        vid; // global video state
 unsigned short	d_8to16table[256];
 
 cvar_t	*_windowed_mouse;

common/vid_null.c

@@ -31,7 +31,7 @@
 #include <quakedef.h>
 #include <d_local.h>
 
-viddef_t	vid;				// global video state
+extern viddef_t        vid;                            // global video state
 
 #define	BASEWIDTH	320
 #define	BASEHEIGHT	200

common/vid_sdl.c

@@ -45,7 +45,7 @@ cvar_t	*_windowed_mouse;
 
 static float old_windowed_mouse = 0;
 
-viddef_t    vid;                // global video state
+extern viddef_t    vid;                // global video state
 unsigned short  d_8to16table[256];
 
 // The original defaults

common/vid_sunx.c

@@ -84,7 +84,7 @@ typedef struct
 	int output;
 } keymap_t;
 
-viddef_t	vid; // global video state
+extern viddef_t        vid; // global video state
 unsigned short	d_8to16table[256];
 
 static Colormap		x_cmap;

common/vid_sunxil.c

@@ -112,7 +112,7 @@ typedef struct
 	int output;
 } keymap_t;
 
-viddef_t vid; // global video state
+extern viddef_t vid; // global video state
 unsigned short       d_8to16table[256];
 
 int		num_shades=32;

common/vid_win.c

@@ -88,7 +88,7 @@ static HICON	hIcon;
 
 extern qboolean mouseactive;	// from in_win.c
 
-viddef_t	vid;				// global video state
+extern viddef_t        vid;                            // global video state
 
 #define MODE_WINDOWED			0
 #define MODE_SETTABLE_WINDOW	2

common/vid_x11.c

@@ -69,7 +69,7 @@
 #include <strings.h>
 #endif
 
-viddef_t	vid; // global video state
+extern viddef_t        vid; // global video state
 unsigned short	d_8to16table[256];
 
 Window				x_win;