Fix V701 warning from PVS-Studio Static Analyzer #2
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realloc() possible leak: when realloc() fails in allocating memory, original pointer 'str' is lost.
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I'm a member of the Pinguem.ru competition on finding errors in open source projects. A bug, found using PVS-Studio.
Warning:
realloc() possible leak: when realloc() fails in allocating memory,
original pointer 'str' is lost.