perf ui gtk: Drop arg[cv] arguments from perf_gtk_setup_browser()

As perf doesn't allow to specify gtk command-line option, drop the
arguments and pass NULL to gtk_init().

This makes the function easier to be called from setup_browser().

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1335761711-31403-3-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/ui/gtk/browser.c

@@ -9,10 +9,9 @@
 
 #define MAX_COLUMNS			32
 
-void perf_gtk_setup_browser(int argc, const char *argv[],
-			    bool fallback_to_pager __used)
+void perf_gtk_setup_browser(bool fallback_to_pager __used)
 {
-	gtk_init(&argc, (char ***)&argv);
+	gtk_init(NULL, NULL);
 }
 
 void perf_gtk_exit_browser(bool wait_for_ok __used)