Discable lto on two packages

Can't compile these two packages without disabling lto.

There might be a less "hammer + nail" solution, but this change does let them compile and run.

Author: jonesmz

sys-config/ltoize/files/package.cflags/lto.conf

@@ -103,6 +103,8 @@ www-apps/hugo *FLAGS-=-flto*
 www-misc/shellinabox *FLAGS-=-flto*
 x11-base/xorg-server *FLAGS-=-flto* # linking error during compilation
 x11-drivers/xf86-video-intel *FLAGS-=-flto*
+sci-physics/root *FLAGS-="-flto=1"
+media-libs/gst-plugins-good *FLAGS-="-flto=1"
 # END: lto
 
 # BEGIN: ffat-lto-objects