phosphor-health-monitor: srcrev bump af9acbde4b..2b231e8aa9

Bruceleequantatw (1):
      Avoid "Error from statvfs2" showing reaptedly.

Change-Id: Ie004ffe3f007985112ea5e9196c9f1daff8640b6
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/recipes-phosphor/health/phosphor-health-monitor_git.bb b/recipes-phosphor/health/phosphor-health-monitor_git.bb
index fa9a63c..33ab360 100644
--- a/recipes-phosphor/health/phosphor-health-monitor_git.bb
+++ b/recipes-phosphor/health/phosphor-health-monitor_git.bb
@@ -15,7 +15,7 @@
 DEPENDS += "nlohmann-json"
 
 SRC_URI = "git://github.com/openbmc/phosphor-health-monitor.git;protocol=git"
-SRCREV = "af9acbde4b4d782d78fc8af30059207974bcc186"
+SRCREV = "2b231e8aa91a76a7c36f1c70c7e4058a38d0a5f1"
 S = "${WORKDIR}/git"
 
 SYSTEMD_SERVICE_${PN} = "phosphor-health-monitor.service"