Fix comment typo in ril.h.

Voice registration denied reason code 98 has the description of reason
code 101, but their descriptions are slightly different.  This matches
TS 24.008, section 10.5.3.6.

Change-Id: I5de4ac0d8ac1ecb9e19c576adb137ded3c4f8268
diff --git a/include/telephony/ril.h b/include/telephony/ril.h
index d9501ba..5818c92 100644
--- a/include/telephony/ril.h
+++ b/include/telephony/ril.h
@@ -2307,7 +2307,7 @@
  *                                95 - Semantically incorrect message
  *                                96 - Invalid mandatory information
  *                                97 - Message type non-existent or not implemented
- *                                98 - Message not compatible with protocol state
+ *                                98 - Message type not compatible with protocol state
  *                                99 - Information element non-existent or not implemented
  *                               100 - Conditional IE error
  *                               101 - Message not compatible with protocol state