sdbusplus: remove deprecated variant_ns

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I7d0f3f6f5249eccaeee4898f2f46cc4b8b882f22
diff --git a/occ_finder.cpp b/occ_finder.cpp
index a9f98d6..c6926fd 100644
--- a/occ_finder.cpp
+++ b/occ_finder.cpp
@@ -50,7 +50,7 @@
     sdbusplus::message::variant<T> value;
     reply.read(value);
 
-    return sdbusplus::message::variant_ns::get<T>(value);
+    return std::get<T>(value);
 }
 
 std::vector<std::string> get(sdbusplus::bus::bus& bus)