staging: speakup: Removed Unnecessary parentheses.

Unnecessary parentheses are removed to improve readability.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/speakup/kobjects.c

@@ -392,7 +392,7 @@ static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr,
 		len--;
 	new_synth_name[len] = '\0';
 	spk_strlwr(new_synth_name);
-	if (synth && (!strcmp(new_synth_name, synth->name))) {
+	if (synth && !strcmp(new_synth_name, synth->name)) {
 		pr_warn("%s already in use\n", new_synth_name);
 	} else if (synth_init(new_synth_name) != 0) {
 		pr_warn("failed to init synth %s\n", new_synth_name);