gprs: Use imsi field instead of imei

The wrong field has been use for the field length computation. This
hadn't any impact so far, since
  sizeof(ctx->imei) == sizeof(ctx->imsi)

This patch fixes the computation to use the right field.

Sponsored-by: On-Waves ehf
1 file changed
tree: 003fc578617e38fc28b8b85ccd98ec76030615e0
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README