Fix bug in LinuxPort::StatsMonitor::netlinkStats() causing some ports not to be updated on system with many ports. Problem occurs as the netlink msg size is calculated once and then received multiple times. The following commit makes sure the netlink msg size is recalcaulted before each recv.

Fixes issue 94

server/linuxport.cpp

@@ -437,6 +437,10 @@ int LinuxPort::StatsMonitor::netlinkStats()
         return -1;
     }
 
+    count = 0;
+
+_retry:
+
     // Find required size of buffer and resize accordingly
     while (1)
     {
@@ -486,9 +490,6 @@ int LinuxPort::StatsMonitor::netlinkStats()
         }
     }
 
-    count = 0;
-
-_retry:
     msg.msg_flags = 0;
 
     // Actually receive the reply now