fixing linux build

libdevcore/Common.h

@@ -45,7 +45,6 @@
 #pragma warning(push)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-parameter"
-#pragma GCC diagnostic ignored "-fpermissive"
 #include <boost/version.hpp>
 #if (BOOST_VERSION == 105800)
 	#include "boost_multiprecision_number_compare_bug_workaround.hpp"

libwhisper/Common.h

@@ -58,8 +58,8 @@ enum WhisperPacket
 	PacketCount
 };
 
-enum { TopicBloomFilterSize = 64 };
-enum { WhisperProtocolVersion = 3 };
+const int TopicBloomFilterSize = 64;
+const int WhisperProtocolVersion = 3;
 
 using AbridgedTopic = FixedHash<4>;
 using Topic = h256;