vz: fix typo that lost the '#' in '#define'

Previous commit:

  commit faceedaf
  Author: Jonathon Jongsma <jjongsma@redhat.com>
  Date:   Tue Jun 18 11:13:12 2019 -0500

    src/vz: use #pragma once in headers

accidentally chomped the "#" in a "#define" when re-indenting
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/vz/vz_utils.h

@@ -145,7 +145,7 @@ vzGetDefaultSCSIModel(vzDriverPtr driver,
 
 int vzCheckUnsupportedGraphics(virDomainGraphicsDefPtr gr);
 
- define PARALLELS_BLOCK_STATS_FOREACH(OP) \
+#define PARALLELS_BLOCK_STATS_FOREACH(OP) \
     OP(rd_req, VIR_DOMAIN_BLOCK_STATS_READ_REQ, "read_requests") \
     OP(rd_bytes, VIR_DOMAIN_BLOCK_STATS_READ_BYTES, "read_total") \
     OP(wr_req, VIR_DOMAIN_BLOCK_STATS_WRITE_REQ, "write_requests") \