cg: props -- Fix resource leak on realloc failure
cg: props -- Fix resource leak on realloc failure

 | *** CID 161426:  Resource leaks  (RESOURCE_LEAK)
 | /criu/cgroup-props.c: 318 in cgp_parse_stream()
 | 312                             }
 | 313
 | 314                             if (xrealloc_safe(&cgp_entry->cgp.props,
 | 315                                               (cgp_entry->cgp.nr_props + 1) * sizeof(char *))) {
 | 316                                     pr_err("Can't allocate property for controller %s\n",
 | 317                                            cgp_entry->cgp.name);
 | >>>     CID 161426:  Resource leaks  (RESOURCE_LEAK)
 | >>>     Variable "cgp_entry" going out of scope leaks the storage it points to.
 | 318                                     return -1;
 | 319                             }

Signed-off-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

KKoukiou/criu-remote,eabatalov/criu,efiop/criu,efiop/criu,eabatalov/criu,eabatalov/criu,efiop/criu,KKoukiou/criu-remote,eabatalov/criu,KKoukiou/criu-remote,KKoukiou/criu-remote,eabatalov/criu,eabatalov/criu,KKoukiou/criu-remote,efiop/criu,KKoukiou/criu-remote,efiop/criu,efiop/criu