--- unix/opengl.cpp.orig        2006-12-14 21:24:46.000000000 -0500 
 +++ unix/opengl.cpp     2006-12-14 21:25:23.000000000 -0500 
 @@ -214,7 +214,7 @@ 
 
         // Strip dots from the version string 
         char *ptr; 
 -       while (ptr = strchr (ver, '.')) 
 +       while ((ptr = strchr (ver, '.'))) 
             memmove (ptr, ptr + 1, strlen (ptr + 1) + 1); 
 
         // Pad the string with zeros to 4 digits 
 @@ -381,7 +381,7 @@ 
                  int i = 0; 
                  for (uint32 y = 0; y < pheight; y++) 
                  { 
 -                    uint16 *ptr = (uint16 *) (GFX.Screen + (y + startl) * GFX.Pitch2) + startx; 
 +                    uint16 *ptr = (uint16 *) (GFX.Screen + (y + startl) * GFX.Pitch) + startx; 
                      for (uint32 x = 0; x < pwidth; x++) 
                      { 
                          int color = *ptr++; 
 @@ -399,7 +399,7 @@ 
                 for (uint32 y = 0; y < pheight; y++) 
                 { 
                     memmove (basetexbuffer + sizeof (uint16) * texture_size * y, 
 -                            (GFX.Screen + (y + startl) * GFX.Pitch2) + startx, 
 +                            (GFX.Screen + (y + startl) * GFX.Pitch) + startx, 
                              sizeof (uint16) * texture_size); 
                 } 
                 data = basetexbuffer;