[1.5] COMP: Fix warnings identified by clang31

[1.5] COMP: Fix warnings identified by clang31

openjpeg/libopenjpeg/tcd.c:1884 col 48: warning: comparison of unsigned expressi
on < 0 is always false

openjpeg/applications/codec/j2k_dump.c:362 col 29: warning: equality comparison
with extraneous parentheses

openjpeg/libopenjpeg/jpwl/jpwl_lib.c:680:19: warning: format specifies type 'int
' but the argument has type 'long long' [-Wformat]
    printf("Marker@%d: %X\n", cio_tell(cio) - 2, id);
                   ~^         ~~~~~~~~~~~~~~~~~
                   %lld

openjpeg/applications/jpip/libopenjpip/byte_manager.c:58:63: warning: format spe
cifies type 'long' but the argument has type 'OPJ_OFF_T' (aka 'long long') [-Wfo
rmat]
fprintf( FCGI_stderr, "Error: error in fetch_bytes( %d, %ld, %lu)\n", fd, offset
, size);

Author: Hans Johnson <hans-johnson@uiowa.edu>