Enhance exception throwing with Boost Exception library

Change-Id: I471023fc23ffaebe04d9668426b4c1b03e4919aa
Refs: #2541
diff --git a/daemon/mgmt/face-manager.hpp b/daemon/mgmt/face-manager.hpp
index 75477bf..74dc0dd 100644
--- a/daemon/mgmt/face-manager.hpp
+++ b/daemon/mgmt/face-manager.hpp
@@ -234,9 +234,9 @@
       return false;
     }
 
-  throw ConfigFile::Error("Invalid value for option \"" +
-                          optionName + "\" in \"" +
-                          sectionName + "\" section");
+   BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" +
+                                           optionName + "\" in \"" +
+                                           sectionName + "\" section"));
 }
 
 inline void