greybus: manifest: style fix missing space before '('

Checkpatch printed a style ERROR concerning a missing space before '('.
This patch fixes this issue.
Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/greybus/manifest.c

@@ -11,7 +11,7 @@
 
 static const char *get_descriptor_type_string(u8 type)
 {
-	switch(type) {
+	switch (type) {
 	case GREYBUS_TYPE_INVALID:
 		return "invalid";
 	case GREYBUS_TYPE_STRING: