Log variables moved to log_manager.h

The log manager variables lm_enabled_log_files_bitmask, log_ses_count
and tls_log_info that earlier were declared separately in every
c-file are now declared in the log_manager.h header.

server/modules/monitor/ndbclustermon.c

@@ -33,11 +33,6 @@
 
 #include <mysqlmon.h>
 
-/** Defined in log_manager.cc */
-extern int            lm_enabled_logfiles_bitmask;
-extern size_t         log_ses_count[];
-extern __thread log_info_t tls_log_info;
-
 static	void	monitorMain(void *);
 
 static char *version_str = "V2.1.0";
@@ -476,4 +471,4 @@ bool isNdbEvent(monitor_event_t event)
 	    return true;
     }
     return false;
-}
+}