proto_trxd: cosmetic: 'if' is not a function, add space

Change-Id: I99cf10662232b1f6845d4019dd3b9be45a82d85b
diff --git a/Transceiver52M/proto_trxd.c b/Transceiver52M/proto_trxd.c
index fbc0b14..e5a889d 100644
--- a/Transceiver52M/proto_trxd.c
+++ b/Transceiver52M/proto_trxd.c
@@ -69,7 +69,7 @@
 	int rc;
 
 	/* v0 doesn't support idle frames, they are simply dropped, not sent */
-	if(bi->idle)
+	if (bi->idle)
 		return true;
 
 	/* +2: Historically (OpenBTS times), two extra non-used bytes are sent appended to each burst */