virtualbox_guest_additions: save, strip, restore resources

Thanks PulkoMandy for the save/restore trick.
The .rdef file contains an include that cannot be easily resolved.

app-emulation/virtualbox-guest-additions/virtualbox_guest_additions-4.3.53_svn.recipe

@@ -11,7 +11,7 @@ COPYRIGHT="2003-2014 Oracle Corporation."
 #TODO:check user manual for full list
 LICENSE="GNU GPL v2
 	CDDL v1"
-REVISION="4"
+REVISION="5"
 SOURCE_URI="svn+http://www.virtualbox.org/svn/vbox/trunk#53373"
 PATCHES="virtualbox_guest_additions-$portVersion.patchset"
 
@@ -41,12 +41,13 @@ BUILD_PREREQUIRES="
 	# required for kmk_* which are compiled with gcc4
 	haiku_x86
 	haiku${secondaryArchSuffix}_devel
-	cmd:mkisofs
-	cmd:grep
 	cmd:gcc$secondaryArchSuffix
+	cmd:grep
 	cmd:ld$secondaryArchSuffix
+	cmd:mkisofs
 	cmd:sed
 	cmd:which
+	cmd:xres
 	cmd:yasm
 	"
 
@@ -83,8 +84,11 @@ INSTALL()
 
 	mkdir -p $binDir
 
-	strip -S VBoxControl VBoxTray
-	cp VBoxControl VBoxTray $binDir
+	xres -o file.tmp VBoxControl ; strip -S VBoxControl ; xres -o VBoxControl file.tmp
+	xres -o file.tmp VBoxService ; strip -S VBoxService ; xres -o VBoxService file.tmp
+	xres -o file.tmp VBoxTray ; strip -S VBoxTray ; xres -o VBoxTray file.tmp
+
+	cp VBoxControl VBoxService VBoxTray $binDir
 
 	# Add a symlink to the Desktop applets directory in Deskbar
 	desktopAppletsDir="$dataDir/deskbar/menu/Desktop applets"