perf tools: Replace sort's standalone field_sep with symbol_conf.field_sep

The repsep_snprintf function was still using standalone field_sep, which
not even set anymore.

Replacing it with 'symbol_conf.field_sep'.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1346946426-13496-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/sort.c

@@ -12,8 +12,6 @@ int		sort__branch_mode = -1; /* -1 = means not set */
 
 enum sort_type	sort__first_dimension;
 
-char * field_sep;
-
 LIST_HEAD(hist_entry__sort_list);
 
 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
@@ -23,11 +21,11 @@ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
 
 	va_start(ap, fmt);
 	n = vsnprintf(bf, size, fmt, ap);
-	if (field_sep && n > 0) {
+	if (symbol_conf.field_sep && n > 0) {
 		char *sep = bf;
 
 		while (1) {
-			sep = strchr(sep, *field_sep);
+			sep = strchr(sep, *symbol_conf.field_sep);
 			if (sep == NULL)
 				break;
 			*sep = '.';

tools/perf/util/sort.h

@@ -32,7 +32,6 @@ extern const char default_sort_order[];
 extern int sort__need_collapse;
 extern int sort__has_parent;
 extern int sort__branch_mode;
-extern char *field_sep;
 extern struct sort_entry sort_comm;
 extern struct sort_entry sort_dso;
 extern struct sort_entry sort_sym;