In gen_dmtc0 function, TCG temporary variable t0 is freed at the end of
the function. Variable is freed again in the gen_dmtc0 caller.
I removed the free in gen_dmtc0, to do like in gen_dmfc0, gen_mfc0,
gen_mtc0.
(Hervé Poussineau)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5075 c046a42c-6fe2-441c-8c8c-71466251a162