Fixed Linux compile errors.

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@348 0109f412-320b-0410-ab79-c3e0c5ffbbe6

xflaim/src/ftk.h

@@ -458,6 +458,9 @@
 		typedef sema_t *				F_SEM;
 		typedef F_SEM *				F_SEM_p;
 		#define F_SEM_NULL			NULL
+
+		typedef int						SOCKET;
+		#define INVALID_SOCKET		-1
 	
 	#endif