perf c2c report: Make calc_width work with struct c2c_hist_entry

We are going to calculate tje column width based on the struct
c2c_hist_entry data, so making calc_width to work with struct
c2c_hist_entry.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180309101442.9224-6-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-c2c.c

@@ -1839,20 +1839,24 @@ static inline int valid_hitm_or_store(struct hist_entry *he)
 	return has_hitm || c2c_he->stats.store;
 }
 
-static void calc_width(struct hist_entry *he)
+static void calc_width(struct c2c_hist_entry *c2c_he)
 {
 	struct c2c_hists *c2c_hists;
 
-	c2c_hists = container_of(he->hists, struct c2c_hists, hists);
-	hists__calc_col_len(&c2c_hists->hists, he);
+	c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
+	hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
 }
 
 static int filter_cb(struct hist_entry *he)
 {
+	struct c2c_hist_entry *c2c_he;
+
+	c2c_he = container_of(he, struct c2c_hist_entry, he);
+
 	if (c2c.show_src && !he->srcline)
 		he->srcline = hist_entry__get_srcline(he);
 
-	calc_width(he);
+	calc_width(c2c_he);
 
 	if (!valid_hitm_or_store(he))
 		he->filtered = HIST_FILTER__C2C;
@@ -1869,7 +1873,7 @@ static int resort_cl_cb(struct hist_entry *he)
 	c2c_he = container_of(he, struct c2c_hist_entry, he);
 	c2c_hists = c2c_he->hists;
 
-	calc_width(he);
+	calc_width(c2c_he);
 
 	if (display && c2c_hists) {
 		static unsigned int idx;