Move object_mapper per dbus path conventions.

Partial fix for openbmc/openbmc#1112.

Change-Id: Ie1995bd0a1d0fe32891ab814a7fe3c0e2aa47db0
Signed-off-by: Leonel Gonzalez <lgonzalez@us.ibm.com>
diff --git a/manager.cpp b/manager.cpp
index 44b0480..0d25877 100644
--- a/manager.cpp
+++ b/manager.cpp
@@ -167,7 +167,7 @@
 
     // Mapper dbus constructs
     constexpr auto MAPPER_BUSNAME   = "xyz.openbmc_project.ObjectMapper";
-    constexpr auto MAPPER_OBJ_PATH  = "/xyz/openbmc_project/ObjectMapper";
+    constexpr auto MAPPER_OBJ_PATH  = "/xyz/openbmc_project/object_mapper";
     constexpr auto MAPPER_IFACE     = "xyz.openbmc_project.ObjectMapper";
 
     // Make a mapper call