- Fixed?: WallSpriteColumn apparently needs to set dc_texturefrac. At least

Valgrind seems to say so.
- Fixed: The FWadCollection destructor needs to use free to free the LumpInfo
  and Wads arrays.
- Fixed: The ColorMapKiller needs to use the delete[] form of delete.
- Fixed: FConfigFile::ClearCurrentSection() should be calling the delete[] form
  of delete to free the entry.
- Fixed: FPatchTexture::MakeTexture() does not need to blindly recreate the
  Spans if they already exist.
- Fixed: The FMultiPatchTexture destructor did not call its Unload() method.
- Restored the original padding calculation to FMultiPatchTexture::MakeTexture().
  I believe the Valgrind errors were caused by accessing off the end of the
  screen buffer, not from accessing off the end of a texture.


SVN r98 (trunk)

src/r_segs.cpp

@@ -2488,6 +2488,7 @@ static void WallSpriteColumn (void (*drawfunc)(const BYTE *column, const FTextur
 	const BYTE *column;
 	const FTexture::Span *spans;
 	column = WallSpriteTile->GetColumn (texturecolumn, &spans);
+	dc_texturefrac = 0;
 	drawfunc (column, spans);
 	rw_light += rw_lightstep;
 }