perf stat report: Move csv_sep initialization before report command

So we have csv_sep properly initialized before report command leg.

Reported-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1446734469-11352-18-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-stat.c

@@ -1776,6 +1776,13 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
 					(const char **) stat_usage,
 					PARSE_OPT_STOP_AT_NON_OPTION);
 
+	if (csv_sep) {
+		csv_output = true;
+		if (!strcmp(csv_sep, "\\t"))
+			csv_sep = "\t";
+	} else
+		csv_sep = DEFAULT_SEPARATOR;
+
 	if (argc && !strncmp(argv[0], "rec", 3)) {
 		argc = __cmd_record(argc, argv);
 		if (argc < 0)
@@ -1826,13 +1833,6 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
 
 	stat_config.output = output;
 
-	if (csv_sep) {
-		csv_output = true;
-		if (!strcmp(csv_sep, "\\t"))
-			csv_sep = "\t";
-	} else
-		csv_sep = DEFAULT_SEPARATOR;
-
 	/*
 	 * let the spreadsheet do the pretty-printing
 	 */