fshack: Use texture name hack for Descent 3

Descent 3's OpenGL renderer will use a texture conflicting with the FS
hack texture, and only a small rectangle in the bottom left corner will
be rendered.

Signed-off-by: John Brooks <john@fastquake.com>

Author: Frogging101

dlls/winex11.drv/opengl.c

@@ -2384,7 +2384,7 @@ static void gen_texture( struct wgl_context *ctx, GLuint *tex, enum fshack_textu
     {
         const char *sgi = getenv( "SteamGameId" );
 
-        texture_name_hack = sgi && (!strcmp( sgi, "6020" ) || !strcmp( sgi, "2200" ) || !strcmp( sgi, "2350" ));
+        texture_name_hack = sgi && (!strcmp( sgi, "6020" ) || !strcmp( sgi, "2200" ) || !strcmp( sgi, "2350" ) || !strcmp( sgi, "273590" ));
     }
 
     if (!texture_name_hack || opengl_funcs.gl.p_glIsTexture( texture_names[type] ))