(svn r21641) -Fix (r21639): ofcourse MSVC wants to have something to warn about

src/gfx.cpp

@@ -286,8 +286,8 @@ static void SetColourRemap(TextColour colour)
 
 	/* Black strings have no shading ever; the shading is black, so it
 	 * would be invisible at best, but it actually makes it illegible. */
-	bool no_shade   = colour & TC_NO_SHADE || colour == TC_BLACK;
-	bool raw_colour = colour & TC_IS_PALETTE_COLOUR;
+	bool no_shade   = (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK;
+	bool raw_colour = (colour & TC_IS_PALETTE_COLOUR) != 0;
 	colour &= ~(TC_NO_SHADE | TC_IS_PALETTE_COLOUR);
 
 	_string_colourremap[1] = raw_colour ? (byte)colour : _string_colourmap[_use_palette][colour];