Checking for return value in main.c for wcap_decoder_create function
and mmap, malloc return value in wcap_decoder_create function to avoid
crashes
Signed-off-by: vivek <vivek.ellur@samsung.com>
Now that we use AC_SYS_LARGEFILE, we need to pull in config.h at least
whereever we use mmap(). Fixes at least the test-suite and simple-shm
on 32 bit systems.