sipdump: fixed compile warnings on unused variables

- reported by Juha Heinanen

src/modules/sipdump/sipdump_mod.c

@@ -121,7 +121,6 @@ static int mod_init(void)
  */
 static int child_init(int rank)
 {
-	int i;
 
 	if(rank != PROC_MAIN)
 		return 0;
@@ -129,7 +128,7 @@ static int child_init(int rank)
 	if(fork_basic_utimer(PROC_TIMER, "SIPDUMP WRITE TIMER", 1 /*socks flag*/,
 			   sipdump_timer_exec, NULL, sipdump_wait /*usec*/)
 				< 0) {
-		LM_ERR("failed to register timer routine as process (%d)\n", i);
+		LM_ERR("failed to register timer routine as process\n");
 		return -1; /* error */
 	}
 

src/modules/sipdump/sipdump_write.c

@@ -152,6 +152,7 @@ static int sipdump_rotate_file(void)
 			"%d-%02d-%02d--%02d-%02d-%02d.data",
 			1900+ti->tm_year, ti->tm_mon, ti->tm_mday,
 			ti->tm_hour, ti->tm_min, ti->tm_sec);
+	LM_DBG("writing to file: %s (%d)\n", _sipdump_fpath, n);
 	_sipdump_file = fopen( _sipdump_fpath , "w" );
 	if(_sipdump_file==NULL) {
 		LM_ERR("failed to open file %s\n", _sipdump_fpath);