Fix entity-manager issues against GCC8

move std::experimental::filesystem to std::filesystem, and fix an error
in a function that returns bool, but didn't contain a return statement.

Change-Id: Iaedfc5ea189fa5382e4b29be5854cb72915a742d
Signed-off-by: Ed Tanous <ed.tanous@intel.com>
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/Utils.cpp b/src/Utils.cpp
index be7b35c..dda3b40 100644
--- a/src/Utils.cpp
+++ b/src/Utils.cpp
@@ -15,7 +15,7 @@
 */
 
 #include <Utils.hpp>
-#include <experimental/filesystem>
+#include "filesystem.hpp"
 #include <fstream>
 #include <regex>
 #include <valijson/adapters/nlohmann_json_adapter.hpp>
@@ -23,7 +23,7 @@
 #include <valijson/schema_parser.hpp>
 #include <valijson/validator.hpp>
 
-namespace fs = std::experimental::filesystem;
+namespace fs = std::filesystem;
 
 bool findFiles(const fs::path &dirPath, const std::string &matchString,
                std::vector<fs::path> &foundPaths)
@@ -57,4 +57,4 @@
         return false;
     }
     return true;
-}
\ No newline at end of file
+}