phosphor-fan-presence: srcrev bump 705cd5ab43..31c3ab5acb

Konstantin Aladyshev (1):
      meson: Fix local cereal build

Change-Id: I0570e945bbd645ece64b0c2b9b5c8363dd016637
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc b/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc
index 2dbe342..9baf630 100644
--- a/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc
+++ b/meta-phosphor/recipes-phosphor/fans/phosphor-fan.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/phosphor-fan-presence;branch=master;protocol=https"
-SRCREV = "705cd5ab43157869a3d36fad44a2edddc8770876"
+SRCREV = "31c3ab5acbea5394eb7638436d39c32b411076b0"