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Use maxPacketSize of Interface 0 for the buffer in getUsbStringDescriptor and getLanguages#18

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Use maxPacketSize of Interface 0 for the buffer in getUsbStringDescriptor and getLanguages#18
alexredko wants to merge 1 commit intousb4java:masterfrom
alexredko:master

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We can use max buffer size obtained from descriptor.bMaxPacketSize0() instead of 256 in these methods because internally they call controlTransfer on interface #0.
This fixes #3 without manipulations with dirvers. Some devices require to use a buffer of size bMaxPacketSize0 only for control transfer.

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Overflow while getting descriptors

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