Remove single quotes from audit records

Some audit records generated by libvirt contain fields enclosed by single
quotes. Since those fields are inside the msg field, which is enclosed by
single quotes, these records generated by libvirt are not correctly parsed by
libauparse.

src/conf/domain_audit.c

@@ -175,7 +175,7 @@ virDomainAuditNet(virDomainObjPtr vm,
     }
 
     VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
-              "virt=%s resrc=net reason=%s %s uuid=%s old-net='%s' new-net='%s'",
+              "virt=%s resrc=net reason=%s %s uuid=%s old-net=%s new-net=%s",
               virt, reason, vmname, uuidstr,
               oldDef ? oldMacstr : "?",
               newDef ? newMacstr : "?");
@@ -222,7 +222,7 @@ virDomainAuditNetDevice(virDomainDefPtr vmDef, virDomainNetDefPtr netDef,
     }
 
     VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
-              "virt=%s resrc=net reason=open %s uuid=%s net='%s' %s rdev=%s",
+              "virt=%s resrc=net reason=open %s uuid=%s net=%s %s rdev=%s",
               virt, vmname, uuidstr, macstr, dev_name, VIR_AUDIT_STR(rdev));
 
 cleanup: