[ PATCH] Fix typo in nss_getent

[Jeff Law]

__nss_getent has the following code fragment:


   if (*buffer == NULL)
     {
       *buffer_size = buflen;
       *buffer = malloc (*buffer_size);
     }

   while (buffer != NULL
   [ ... ]

The "buffer != NULL" clause in the WHILE statement will be eliminated as 
it is always true (buffer was dereferenced in the prior IF statement, 
thus it can't be NULL at the WHILE statement).

The original author clearly meant to test
while (*buffer != NULL
[... ]

2012-03-23 Jeff Law  <law@redhat.com>

	* nss/getnssent.c (__nss_getent): Fix typo.


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