StdLib: Fix more GCC warnings/errors caused by variables being set but not used.

Removed variables that had no effect on code behavior.
Normalized comment formatting.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed by: Daryl McDaniel <daryl.mcdaniel@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16284 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/BsdSocketLib/poll.c

@@ -1,29 +1,24 @@
 /** @file
   Implement the poll API.
 
-  Copyright (c) 2011, Intel Corporation
-  All rights reserved. This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
+  Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available under
+  the terms and conditions of the BSD License that accompanies this distribution.
+  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
 
   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
 **/
-
 #include <SocketInternals.h>
 
 
-/**
-  Poll the socket for activity
+/** Poll the socket for activity
 
   @param [in] pDescriptor Descriptor address for the file
-
   @param [in] Events      Mask of events to detect
 
   @return     Detected events for the socket
-
  **/
 short
 EFIAPI
@@ -32,27 +27,19 @@ BslSocketPoll (
   IN short Events
   )
 {
-  short DetectedEvents;
+  short                 DetectedEvents;
   EFI_SOCKET_PROTOCOL * pSocketProtocol;
-  EFI_STATUS Status;
 
-  //
   //  Locate the socket protocol
-  //
   DetectedEvents = 0;
   pSocketProtocol = BslValidateSocketFd ( pDescriptor, &errno );
   if ( NULL != pSocketProtocol ) {
-    //
     //  Poll the socket
-    //
-    Status = pSocketProtocol->pfnPoll ( pSocketProtocol,
-                                        Events,
-                                        &DetectedEvents,
-                                        &errno );
+    (void) pSocketProtocol->pfnPoll ( pSocketProtocol,
+                                      Events,
+                                      &DetectedEvents,
+                                      &errno );
   }
-
-  //
   //  Return the detected events
-  //
   return DetectedEvents;
 }