Close on fd

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@2031 f882894a-f735-0410-b71e-b25c423dba1c

plugins-root/pst3.c

@@ -228,6 +228,7 @@ try_again:
     }
     free(args_vecs);
     free(args);
+    close(as_fd);
     printf("\n");
   }