LIBMSC: Use sms->text, not sms->user_data to construct report body

gsm_04_11.c sms_report_alloc()

Use the sms->text, not the sms->user_data to construct the report body.
This also prevents the potential output of non printable characters to
the log and or vty.

Change-Id: Id51bc9483ad6f52d6da74135605cfd12434c7c96
diff --git a/src/libmsc/gsm_04_11.c b/src/libmsc/gsm_04_11.c
index f87acea..55642aa 100644
--- a/src/libmsc/gsm_04_11.c
+++ b/src/libmsc/gsm_04_11.c
@@ -667,7 +667,7 @@
 	len = snprintf((char *)sms_report->user_data,
 		       sizeof(sms_report->user_data),
 		       "id:%.08llu sub:000 dlvrd:000 submit date:YYMMDDhhmm done date:YYMMDDhhmm stat:DELIVRD err:000 text:%.20s",
-		       sms->id, sms->user_data);
+		       sms->id, sms->text);
 	sms_report->user_data_len = len;
 	LOGP(DLSMS, LOGL_NOTICE, "%s\n", sms_report->user_data);