--- smsdaemon/SerialPort.cpp	2008/06/10 14:38:59	35
+++ smsdaemon/SerialPort.cpp	2008/06/10 15:34:19	36
@@ -1227,7 +1227,7 @@
         //
         // Increase the elapsed number of milliseconds.
         //
-        int elapsed_ms = ( elapsed_time.tv_sec  * MILLISECONDS_PER_SEC +
+        unsigned int elapsed_ms = ( elapsed_time.tv_sec  * MILLISECONDS_PER_SEC +
                            elapsed_time.tv_usec / MICROSECONDS_PER_MS ) ;
         //
         // If more than msTimeout milliseconds have elapsed while
@@ -1290,7 +1290,7 @@
         //
         dataBuffer.reserve( numOfBytes ) ;
         //
-        for(int i=0; i<numOfBytes; ++i)
+        for(unsigned int i=0; i<numOfBytes; ++i)
         {
             dataBuffer.push_back( ReadByte(msTimeout) ) ;
         }