[gentoo-user] linux-headers-3.5 with 3.4 kernel?

[Nikos Chantziaras]

Portage now installs sys-kernel/linux-headers-3.5. 
sys-kernel/gentoo-sources is at 3.4.5.

Is it even adviced to do that, installing 3.5 headers and running a 3.4 
kernel?  This sounds like a bad idea to me.