Cosmetic: GSUP: fix too long comment line

Change-Id: I60ba8fef8924e58bc73cff5c7ff77ebb76d8bfaa
diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h
index 1374e0e..be85662 100644
--- a/include/osmocom/gsm/gsup.h
+++ b/include/osmocom/gsm/gsup.h
@@ -348,8 +348,8 @@
 	enum osmo_gsup_imei_result	imei_result;
 
 	/*! Indicate the message class to trivially dispatch incoming GSUP messages to the right code paths.
-	 * Inter-MSC messages are *required* to set a class = OSMO_GSUP_MESSAGE_CLASS_INTER_MSC. For older message classes, this may
-	 * be omitted (for backwards compatibility only -- if in doubt, include it). */
+	 * Inter-MSC messages are *required* to set a class = OSMO_GSUP_MESSAGE_CLASS_INTER_MSC. For older message
+	 * classes, this may be omitted (for backwards compatibility only -- if in doubt, include it). */
 	enum osmo_gsup_message_class		message_class;
 
 	/*! For messages routed via another GSUP entity (via HLR), the IPA name of the entity that sent this message. */