PerformScan: Rename ifacesIt to objectIt

Make it reflect that the returned pair represents an object (set of
interfaces) at the provided path.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I99e0ae61e8c3e5848c5ede5a518d9178702cbed0
diff --git a/src/PerformScan.cpp b/src/PerformScan.cpp
index 851d9fd..eee185a 100644
--- a/src/PerformScan.cpp
+++ b/src/PerformScan.cpp
@@ -382,10 +382,10 @@
                     // interface, such as if it was just TRUE, then
                     // templateCharReplace will just get passed in an empty
                     // map.
-                    auto ifacesIt = dbusSubtree.find(path);
+                    auto objectIt = dbusSubtree.find(path);
                     const DBusObject& dbusObject =
-                        (ifacesIt == dbusSubtree.end()) ? emptyObject
-                                                        : ifacesIt->second;
+                        (objectIt == dbusSubtree.end()) ? emptyObject
+                                                        : objectIt->second;
 
                     nlohmann::json record = *recordPtr;
                     std::string recordName =