monitor/analyze: Fix scan-build warnings

monitor/analyze: Fix scan-build warnings

This fixes the following warnings:

monitor/analyze.c:381:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:382:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:398:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(*evt);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:399:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(*evt);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:418:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(*evt);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:419:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(*evt);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:527:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(subtype);
        ^       ~~~~~~~~~~~~~~~
monitor/analyze.c:528:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(subtype);
        ^       ~~~~~~~~~~~~~~~
monitor/analyze.c:629:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:630:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:646:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:647:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:710:2: warning: Value stored to 'data' is never read
[deadcode.DeadStores]
        data += sizeof(*hdr);
        ^       ~~~~~~~~~~~~
monitor/analyze.c:711:2: warning: Value stored to 'size' is never read
[deadcode.DeadStores]
        size -= sizeof(*hdr);
        ^       ~~~~~~~~~~~~

Signed-off-by: Manika Shrivastava <manika.sh@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>