Move object_mapper per dbus path conventions.

Partial fix for openbmc/openbmc#1112.

Change-Id: Ib18a75924560f73f1795ee96c7645d43abb4b515
Signed-off-by: Leonel Gonzalez <lgonzalez@us.ibm.com>
diff --git a/utils.cpp b/utils.cpp
index 1823819..fca99bf 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -8,7 +8,7 @@
                        const std::string& path)
 {
     auto mapperCall = bus.new_method_call("xyz.openbmc_project.ObjectMapper",
-                                          "/xyz/openbmc_project/ObjectMapper",
+                                          "/xyz/openbmc_project/object_mapper",
                                           "xyz.openbmc_project.ObjectMapper",
                                           "GetObject");