Update mercurial to 1.5.3, git to 1.7.1

Fix sdl-sound bep file to download correctly.

media-libs/sdl-sound/sdl-sound-1.0.3.bep

@@ -1,14 +1,11 @@
 DESCRIPTION="sdl-sound" 
 HOMEPAGE="http://www.icculus.org/SDL_sound" 
-# We're using mercurial, so need to fake out the download for now
-SRC_URI="http://www.haiku-ports.de/packages/sources/expat-2.0.1.tar.gz"
+SRC_URI="hg+http://hg.icculus.org/icculus/SDL_sound#release-1.0.3"
 REVISION="1"
 STATUS_HAIKU="stable"
 DEPEND="media-libs/libogg >= 1.1.4"
 BUILD {
-	rm -r SDL_sound
-	hg clone http://hg.icculus.org/icculus/SDL_sound
-	cd SDL_sound
+	cd sdl-sound-1.0.3
 	libtoolize --copy --force --install
 	./bootstrap
 	./configure --prefix=/boot/common
@@ -16,6 +13,6 @@ BUILD {
 }
 
 INSTALL {
-	cd SDL_sound
+	cd sdl-sound-1.0.3
 	make install
 }