Jaakko Heinonen 967e82cae0 In reallocf(3), free the memory only when size != 0. Otherwise, when the
System V compatibility option (malloc "V" flag) is in effect a zero sized
reallocf() could cause a double free.

PR:		bin/141753
Submitted by:	Dan Lukes
2010-03-03 15:43:26 +00:00
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