Lots of little cosmetic cleanups

libs/spandsp/src/v42.c

@@ -246,7 +246,7 @@ static int tx_supervisory_frame(lapm_state_t *s, uint8_t addr, uint8_t ctrl, uin
 {
     v42_frame_t *f;
     uint8_t *buf;
-    
+
     if ((f = get_next_free_ctrl_frame(s)) == NULL)
         return -1;
     buf = f->buf;
@@ -438,7 +438,7 @@ static void transmit_xid(v42_state_t *ss, uint8_t addr)
     *buf++ = 2;
     *buf++ = (param_val >> 8) & 0xFF;
     *buf++ = (param_val & 0xFF);
-    
+
     *buf++ = PI_TX_WINDOW_SIZE;
     *buf++ = 1;
     *buf++ = ss->config.v42_tx_window_size_k;
@@ -466,7 +466,7 @@ static void transmit_xid(v42_state_t *ss, uint8_t addr)
         *buf++ = '4';
         *buf++ = '2';
 
-        /* V.42bis P0 
+        /* V.42bis P0
            00 Compression in neither direction (default);
            01 Negotiation initiator-responder direction only;
            10 Negotiation responder-initiator direction only;
@@ -1155,7 +1155,7 @@ static int lapm_config(v42_state_t *ss)
 static void reset_lapm(v42_state_t *ss)
 {
     lapm_state_t *s;
-    
+
     s = &ss->lapm;
     /* Reset the LAP.M state */
     s->local_busy = FALSE;