Corrected ProductionQueue.size() - Now unsigned int, not int.

git-svn-id: https://svn.microneil.com/svn/CodeDweller/trunk@10 d34b734f-a00e-4b39-a726-e4eeb87269ab

threading.hpp

 class ProductionQueue {                                                         // Production Queue Class
   private:
     Mutex myMutex;                                                              // Contains a mutex and
-    volatile int LatestSize;                                                    // a volatile (blinking light) size
+    volatile unsigned int LatestSize;                                           // a volatile (blinking light) size
     ProductionGateway myGateway;                                                // integrated with a production
     queue<T> myQueue;                                                           // gateway and a queue.
 
         myGateway.produce();                                                    // indicator and tell the gateway.
     }                                                                           // When we're done it can be grabbed.
 
-    int size() {                                                                // To check the size we look at
+    unsigned int size() {                                                       // To check the size we look at
         return LatestSize;                                                      // the blinking light.
     }
 };