Fixed gcc compiler error.

src/engine/local_engine/localexception.h

@@ -29,7 +29,7 @@ public:
 
 	LocalException(const char *sourcefile, int sourceline, int errorId)
 		: PokerTHException(sourcefile, sourceline, errorId, 0) {}
-	virtual ~LocalException();
+	virtual ~LocalException() throw();
 };
 
 #endif

src/net/clientexception.h

@@ -30,7 +30,7 @@ public:
 	ClientException(const char *sourcefile, int sourceline, int errorId, int osErrorCode)
 		: NetException(sourcefile, sourceline, errorId, osErrorCode) {}
 
-	virtual ~ClientException();
+	virtual ~ClientException() throw();
 };
 
 #endif

src/net/netexception.h

@@ -29,7 +29,7 @@ public:
 
 	NetException(const char *sourcefile, int sourceline, int errorId, int osErrorCode)
 		: PokerTHException(sourcefile, sourceline, errorId, osErrorCode) {}
-	virtual ~NetException();
+	virtual ~NetException() throw();
 };
 
 #endif

src/net/serverexception.h

@@ -30,7 +30,7 @@ public:
 	ServerException(const char *sourcefile, int sourceline, int errorId, int osErrorCode)
 		: NetException(sourcefile, sourceline, errorId, osErrorCode) {}
 
-	virtual ~ServerException();
+	virtual ~ServerException() throw();
 };
 
 #endif