phosphor-fan-presence: srcrev bump 7d29944b91..dfc8c4d090

Matt Spinler (1):
      presence: Only allow loading once

Mike Capps (1):
      monitor: fix undefined behavior

Change-Id: I5d88ed27a6202f5c521225ef0d30fef633efa2d1
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 9091583..ea0ab20 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 = "7d29944b91d6b40e0b0c59b6f97490835eb9ec97"
+SRCREV = "dfc8c4d0901d0e72abefdbd2d43e8ce219d8b11b"