Fixed memory leaks in socket implementation

test/cctest/test-sockets.cc

Index: test/cctest/test-sockets.cc
===================================================================
--- test/cctest/test-sockets.cc	(revision 1534)
+++ test/cctest/test-sockets.cc	(working copy)
@@ -22,6 +22,8 @@
     // Close both sockets.
     delete client_;
     delete server_;
+    delete listening_;
+    delete[] data_;
   }
 
   void Run();
@@ -127,6 +129,7 @@
     medium_data[i] = i % 256;
   }
   SendAndReceive(medium_data, kBufferSizeMedium);
+  delete[] medium_data;
 
   // Send and receive even more data.
   static const int kBufferSizeLarge = 1000000;
@@ -135,6 +138,7 @@
     large_data[i] = i % 256;
   }
   SendAndReceive(large_data, kBufferSizeLarge);
+  delete[] large_data;
 }