perf tools: Convert needless static variable to local

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-k85ajz97xbrd8fkt2a8pp7q1@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/perf.c

@@ -518,9 +518,8 @@ int main(int argc, const char **argv)
 
 	while (1) {
 		static int done_help;
-		static int was_alias;
+		int was_alias = run_argv(&argc, &argv);
 
-		was_alias = run_argv(&argc, &argv);
 		if (errno != ENOENT)
 			break;