PerformScan: Make getRecordName() static

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I7dbeb257d067de032327144e0e1046a3e838e33c
diff --git a/src/PerformScan.cpp b/src/PerformScan.cpp
index b6a9c30..23d3ed9 100644
--- a/src/PerformScan.cpp
+++ b/src/PerformScan.cpp
@@ -206,8 +206,8 @@
     }
 }
 
-std::string getRecordName(const DBusInterface& probe,
-                          const std::string& probeName)
+static std::string getRecordName(const DBusInterface& probe,
+                                 const std::string& probeName)
 {
     if (probe.empty())
     {