sms: Fix typo in a macros name: GSM340_SMS_RESSERVED -> GSM340_SMS_RESERVED.
diff --git a/include/osmocom/gsm/protocol/gsm_04_11.h b/include/osmocom/gsm/protocol/gsm_04_11.h
index f37152f..38dd553 100644
--- a/include/osmocom/gsm/protocol/gsm_04_11.h
+++ b/include/osmocom/gsm/protocol/gsm_04_11.h
@@ -122,7 +122,7 @@
#define GSM340_SMS_COMMAND_MS2SC 0x02
#define GSM340_SMS_SUBMIT_MS2SC 0x01
#define GSM340_SMS_SUBMIT_REP_SC2MS 0x01
-#define GSM340_SMS_RESSERVED 0x03
+#define GSM340_SMS_RESERVED 0x03
/* GSM 03.40 / Chapter 9.2.3.2: TP-More-Messages-to-Send */
#define GSM340_TP_MMS_MORE 0