uftrace: Align exact argument on calloc

[yskelg]

Align argument for calloc() call in some code and macro in utils.h file.

This patch remove warning on #1933

/home/paran/uftrace/cmds/graph.c:213:53: error: ‘calloc’ sizes specified with ‘sizeof’ in the earlier argument and not in the later argument [-Werror=calloc-transposed-args]
  213 |         struct session_graph *graph = xzalloc(sizeof(*graph));
      |                                                     ^
/home/paran/uftrace/utils/utils.h:193:38: note: in definition of macro ‘xzalloc’
  193 |                 void *__ptr = calloc(sz, 1);                                                       \
      |                                      ^~
/home/paran/uftrace/cmds/graph.c:213:53: note: earlier argument should specify number of elements, later size of each element
  213 |         struct session_graph *graph = xzalloc(sizeof(*graph));
      |                                                     ^
/home/paran/uftrace/utils/utils.h:193:38: note: in definition of macro ‘xzalloc’
  193 |                 void *__ptr = calloc(sz, 1);                                                       \
      |                                      ^~

Signed-off-by: Yunseong Kim yskelg@gmail.com

[namhyung]

LGTM, but please fix typo 'Algin'.

[yskelg]

Thank you for the code review @namhyung!