Simplification of conditions #463
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I'm a member of the Pinguem.ru competition on finding errors in open source projects. A warnings, found using PVS-Studio:
libnfc/libnfc/target-subr.c 282 warn V555 The expression '(pnai->szAtsLen - offset - 2) > 0' will work as 'pnai->szAtsLen - offset != 2'.
libnfc/libnfc/target-subr.c 325 warn V555 The expression '(pnai->szAtsLen - offset) > 0' will work as 'pnai->szAtsLen != offset'.
libnfc/libnfc/target-subr.c 359 warn V555 The expression '(pnai->szAtsLen - offset) > 0' will work as 'pnai->szAtsLen != offset'.