hog-lib: Fix scan-build error

hog-lib: Fix scan-build error

This fixes the following errors:
profiles/input/hog-lib.c:600:19: warning: Access to field 'handle'
results in a dereference of a null pointer (loaded from variable 'chr')
        report->handle = chr->handle;
                         ^~~~~~~~~~~
profiles/input/hog-lib.c:637:11: warning: Access to field 'value_handle'
results in a dereference of a null pointer (loaded from variable 'chr')
                start = chr->value_handle + 1;
                        ^~~~~~~~~~~~~~~~~
profiles/input/hog-lib.c:1240:11: warning: Access to field 'value_handle'
results in a dereference of a null pointer (loaded from variable 'chr')
                start = chr->value_handle + 1;
                        ^~~~~~~~~~~~~~~~~

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