doc: Split overly long usage line in dvblast.c.

dvblast.c

@@ -411,7 +411,15 @@ static void DisplayVersion()
 void usage()
 {
     DisplayVersion();
-    msg_Raw( NULL, "Usage: dvblast [-q] [-c <config file>] [-r <remote socket>] [-t <ttl>] [-o <SSRC IP>] [-i <RT priority>] [-a <adapter>] [-n <frontend number>] [-S <diseqc>] [-f <frequency>|-D [<src host>[:<src port>]@]<src mcast>[:<port>][/<opts>]*|-A <ASI adapter>] [-s <symbol rate>] [-v <0|13|18>] [-p] [-b <bandwidth>] [-I <inversion>] [-F <fec inner>] [-m <modulation] [-R <rolloff>] [-P <pilot>] [-K <fec lp>] [-G <guard interval>] [-H <hierarchy>] [-X <transmission>] [-O <lock timeout>] [-u] [-w] [-U] [-L <latency>] [-E <retention>] [-d <dest IP>[<:port>][/<opts>]*] [-z] [-C [-e] [-M <network name] [-N <network ID>]] [-T] [-j <system charset>] [-J <DVB charset>] [-Q <quit timeout>] [-x <text|xml>]" );
+    msg_Raw( NULL, "Usage: dvblast [-q] [-c <config file>] [-r <remote socket>] [-t <ttl>] [-o <SSRC IP>] "
+        "[-i <RT priority>] [-a <adapter>] [-n <frontend number>] [-S <diseqc>] "
+        "[-f <frequency>|-D [<src host>[:<src port>]@]<src mcast>[:<port>][/<opts>]*|-A <ASI adapter>] "
+        "[-s <symbol rate>] [-v <0|13|18>] [-p] [-b <bandwidth>] [-I <inversion>] "
+        "[-F <fec inner>] [-m <modulation] [-R <rolloff>] [-P <pilot>] [-K <fec lp>] "
+        "[-G <guard interval>] [-H <hierarchy>] [-X <transmission>] [-O <lock timeout>] "
+        "[-u] [-w] [-U] [-L <latency>] [-E <retention>] [-d <dest IP>[<:port>][/<opts>]*] "
+        "[-z] [-C [-e] [-M <network name] [-N <network ID>]] [-T] [-j <system charset>] "
+        "[-J <DVB charset>] [-Q <quit timeout>] [-x <text|xml>]" );
 
     msg_Raw( NULL, "Input:" );
     msg_Raw( NULL, "  -a --adapter          read packets from a Linux-DVB adapter (typically 0-n)" );