phosphor-pid-control: srcrev bump ba8ffa73eb..31eebcddcf

Patrick Venture (1):
      build: check for json header

(From meta-phosphor rev: 74226a93387f02a79c41c39f2a0c232a66f8c6bb)

Change-Id: I07ac15aeae97c80aac044ee753436b50248c2793
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/fans/phosphor-pid-control_git.bb b/meta-phosphor/recipes-phosphor/fans/phosphor-pid-control_git.bb
index 6c43b7c..a1c4e6e 100644
--- a/meta-phosphor/recipes-phosphor/fans/phosphor-pid-control_git.bb
+++ b/meta-phosphor/recipes-phosphor/fans/phosphor-pid-control_git.bb
@@ -14,7 +14,7 @@
 
 S = "${WORKDIR}/git"
 SRC_URI = "git://github.com/openbmc/phosphor-pid-control"
-SRCREV = "ba8ffa73eb8c5941aba2378d0c70d638abd305ce"
+SRCREV = "31eebcddcffbfed38c317ee6a8828cae9786e0f5"
 
 # Each platform will need a service file that starts
 # at an appropriate time per system.  For instance, if