Revert virtualbox guest addition package.

The build with a newer revision of the source turned out to keep crashing.
Reverting back to #51740 (which can't be built with the old recipe, so I
manipulated the dependencies in the .PackageInfo of the old package
manually...)

build/jam/repositories/HaikuPorts/x86_gcc2

@@ -503,7 +503,7 @@ RemotePackageRepository HaikuPorts
 	vcdimager-0.7.24-2
 	vcdimager_devel-0.7.24-2
 	vim-7.4-3
-	virtualbox_guest_additions-4.3.53_svn-5
+	virtualbox_guest_additions-4.3.53_svn-6
 	vision-0.9.7.r949-2
 	vlc-0.8.6i-1
 	vlc_devel-0.8.6i-1