phosphor-rest.inc: bump version

Change-Id: I71b694835a695fc3a74daecddf5c687bb7650010
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/interfaces/phosphor-rest.inc b/common/recipes-phosphor/interfaces/phosphor-rest.inc
index 3578f0b..525eaa1 100644
--- a/common/recipes-phosphor/interfaces/phosphor-rest.inc
+++ b/common/recipes-phosphor/interfaces/phosphor-rest.inc
@@ -3,5 +3,5 @@
 LIC_FILES_CHKSUM = "file://${WORKDIR}/git/LICENSE;md5=fa818a259cbed7ce8bc2a22d35a464fc"
 
 SRC_URI += "git://github.com/openbmc/phosphor-rest-server"
-SRCREV = "a6a8a4c16684fbcb05b36aaa5e4b52d8f36b0eea"
+SRCREV = "18c3a2422fcdd619da7017c3f636623e0df470d0"