[CinCV] [PATCH] Fix shm usage in guicast/bccapture.C

[Einar Rünkaru]

Hi.

hared memory should not be world readable.
Valid shmid can be negative, error is indicated with return value -1.

Patch is attached.

Einar

0003-Fix-shm-usage-in-guicast-bccapture.C.patch
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