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[libvirt] [PATCH] Fix build of openvz on RHEL-5.

When building libvirt on RHEL-5, I saw this error:

cc1: warnings being treated as errors
openvz/openvz_conf.c: In function 'openvzGetVPSUUID':
openvz/openvz_conf.c:835: warning: 'saveptr' may be used uninitialized in this function
make[3]: *** [libvirt_driver_openvz_la-openvz_conf.lo] Error 1

gcc in RHEL-5 gets upset about this usage of strtok_r (even though
it is perfectly valid).  Just set *saveptr to NULL at the
start to quiet it down.

Signed-off-by: Chris Lalancette <clalance redhat com>
 src/openvz/openvz_conf.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/openvz/openvz_conf.c b/src/openvz/openvz_conf.c
index 51567d4..8735cc1 100644
--- a/src/openvz/openvz_conf.c
+++ b/src/openvz/openvz_conf.c
@@ -832,7 +832,7 @@ openvzGetVPSUUID(int vpsid, char *uuidstr, size_t len)
     char conf_file[PATH_MAX];
     char line[1024];
-    char *saveptr;
+    char *saveptr = NULL;
     char *uuidbuf;
     char *iden;
     int fd, ret;

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