Make enums scoped

Signed-off-by: Simon Rozman <simon@rozman.si>

lib/PAP/include/Method.h

@@ -104,10 +104,10 @@ namespace eap
         ///
         /// Communication phase
         ///
-        enum {
-            phase_unknown = -1,         ///< Unknown phase
-            phase_init = 0,             ///< Handshake initialize
-            phase_finished,             ///< Connection shut down
+        enum class phase_t {
+            unknown = -1,               ///< Unknown phase
+            init = 0,                   ///< Handshake initialize
+            finished,                   ///< Connection shut down
         } m_phase;                      ///< What phase is our communication at?
 
         sanitizing_blob m_packet_res;   ///< Response packet