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[libvirt] [PATCH] Change virCgroupGetAppRoot stub on non-Linux to avoid unused param warning

From: "Daniel P. Berrange" <berrange redhat com>

Fully stub out the virCgroupGetAppRoot method as done with other
methods in the file, rather than just the body. This lets us
annotate the unused parameter to avoid a warning

Pushed as a Win32 build breaker fix
 src/util/cgroup.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/util/cgroup.c b/src/util/cgroup.c
index f867fb7..8f3b8b7 100644
--- a/src/util/cgroup.c
+++ b/src/util/cgroup.c
@@ -974,14 +974,17 @@ int virCgroupForDriver(const char *name ATTRIBUTE_UNUSED,
 * Returns 0 on success
+#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
 int virCgroupGetAppRoot(virCgroupPtr *group)
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
     return virCgroupNew("/", group);
+int virCgroupGetAppRoot(virCgroupPtr *group ATTRIBUTE_UNUSED)
     return -ENXIO;
  * virCgroupForDomain:

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