Merge pull request #33 from perfectco/master

Add default cases to prevent warnings

FreeModbus/modbus/mb_m.c

@@ -381,7 +381,11 @@ eMBMasterPoll( void )
 			}
 			vMBMasterRunResRelease();
         	break;
+            
+        default:
+            break;
         }
+
     }
     return MB_ENOERR;
 }

FreeModbus/modbus/rtu/mbrtu_m.c

@@ -339,6 +339,9 @@ xMBMasterRTUTransmitFSM( void )
             }
         }
         break;
+
+    default:
+        break;
     }
 
     return xNeedPoll;