tools/perf/perf.c: Clean up trivial style issues

Checked with:
./../scripts/checkpatch.pl --terse --file perf.c

perf.c: 51: ERROR: open brace '{' following function declarations go on the next line
perf.c: 73: ERROR: "foo*** bar" should be "foo ***bar"
perf.c:112: ERROR: space prohibited before that close parenthesis ')'
perf.c:127: ERROR: space prohibited before that close parenthesis ')'
perf.c:171: ERROR: "foo** bar" should be "foo **bar"
perf.c:213: ERROR: "(foo*)" should be "(foo *)"
perf.c:216: ERROR: "(foo*)" should be "(foo *)"
perf.c:217: ERROR: space required before that '*' (ctx:OxV)
perf.c:452: ERROR: do not initialise statics to 0 or NULL
perf.c:453: ERROR: do not initialise statics to 0 or NULL

Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Frederic Weisbecker <[e-mail]>
Cc: Masami Hiramatsu <[e-mail]>
LKML-Reference: <[e-mail]>
Signed-off-by: Ingo Molnar <[e-mail]>

tools/perf/perf.c

···
 	return c.val;
 }
 
-static void commit_pager_choice(void) {
+static void commit_pager_choice(void)
+{
 	switch (use_pager) {
 	case 0:
 		setenv("PERF_PAGER", "cat", 1);
···
 		 "tracing/events");
 }
 
-static int handle_options(const char*** argv, int* argc, int* envchanged)
+static int handle_options(const char ***argv, int *argc, int *envchanged)
 {
 	int handled = 0;
 
···
 				*envchanged = 1;
 		} else if (!strcmp(cmd, "--perf-dir")) {
 			if (*argc < 2) {
-				fprintf(stderr, "No directory given for --perf-dir.\n" );
+				fprintf(stderr, "No directory given for --perf-dir.\n");
 				usage(perf_usage_string);
 			}
 			setenv(PERF_DIR_ENVIRONMENT, (*argv)[1], 1);
···
 				*envchanged = 1;
 		} else if (!strcmp(cmd, "--work-tree")) {
 			if (*argc < 2) {
-				fprintf(stderr, "No directory given for --work-tree.\n" );
+				fprintf(stderr, "No directory given for --work-tree.\n");
 				usage(perf_usage_string);
 			}
 			setenv(PERF_WORK_TREE_ENVIRONMENT, (*argv)[1], 1);
···
 {
 	int envchanged = 0, ret = 0, saved_errno = errno;
 	int count, option_count;
-	const char** new_argv;
+	const char **new_argv;
 	const char *alias_command;
 	char *alias_string;
 
···
 		if (!strcmp(alias_command, new_argv[0]))
 			die("recursive alias: %s", alias_command);
 
-		new_argv = realloc(new_argv, sizeof(char*) *
+		new_argv = realloc(new_argv, sizeof(char *) *
 				    (count + *argcp + 1));
 		/* insert after command name */
-		memcpy(new_argv + count, *argv + 1, sizeof(char*) * *argcp);
-		new_argv[count+*argcp] = NULL;
+		memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
+		new_argv[count + *argcp] = NULL;
 
 		*argv = new_argv;
 		*argcp += count - 1;
···
 	setup_path();
 
 	while (1) {
-		static int done_help = 0;
-		static int was_alias = 0;
+		static int done_help;
+		static int was_alias;
 
 		was_alias = run_argv(&argc, &argv);
 		if (errno != ENOENT)