gk110/ir: fix wrong emission of NOT modifier for VOTE

Spotted by Coverity.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reported-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp

@@ -1386,7 +1386,7 @@ CodeEmitterGK110::emitVOTE(const Instruction *i)
    defId(i->def(0), 2);
    defId(i->def(1), 48);
    if (i->src(0).mod == Modifier(NV50_IR_MOD_NOT))
-      code[0] |= 1 << 45;
+      code[1] |= 1 << 13;
    srcId(i->src(0), 42);
 }