phosphor-mapper.bb: bump version

Change-Id: I5c1dad4b910ce210ece6f991fb68c3f03628965c
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/common/recipes-phosphor/dbus/phosphor-mapper.bb b/meta-phosphor/common/recipes-phosphor/dbus/phosphor-mapper.bb
index e3bfbf1..8c34677 100644
--- a/meta-phosphor/common/recipes-phosphor/dbus/phosphor-mapper.bb
+++ b/meta-phosphor/common/recipes-phosphor/dbus/phosphor-mapper.bb
@@ -24,7 +24,7 @@
         "
 SRC_URI += "git://github.com/openbmc/phosphor-objmgr"
 
-SRCREV = "7fb0fe98b50c75f269728ca61126f2dbc6eabc46"
+SRCREV = "c7a7c45fec58ff593aecce92699b9ee41823d48e"
 
 S = "${WORKDIR}/git"