KVM: x86 emulator: fix lea to really get the effective address

We never hit this, since there is currently no reason to emulate lea.
Signed-off-by: Avi Kivity <avi@qumranet.com>

arch/x86/kvm/x86_emulate.c

@@ -1512,7 +1512,7 @@ special_insn:
 	case 0x88 ... 0x8b:	/* mov */
 		goto mov;
 	case 0x8d: /* lea r16/r32, m */
-		c->dst.val = c->modrm_val;
+		c->dst.val = c->modrm_ea;
 		break;
 	case 0x8f:		/* pop (sole member of Grp1a) */
 		rc = emulate_grp1a(ctxt, ops);