KVM: x86 emulator: fix call near emulation

The length of pushed on to the stack return address depends on operand
size not address size.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/x86/kvm/x86_emulate.c

@@ -1792,7 +1792,6 @@ special_insn:
 		}
 		c->src.val = (unsigned long) c->eip;
 		jmp_rel(c, rel);
-		c->op_bytes = c->ad_bytes;
 		emulate_push(ctxt);
 		break;
 	}