Added gr-gsm gnuradio-companion xml description file for tmsi_dumper
diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index d080175..ebe2b13 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -40,6 +40,7 @@
       <block>gsm_controlled_const_source_f</block>
       <block>gsm_message_printer</block>
       <block>gsm_clock_offset_corrector</block>
+      <block>gsm_tmsi_dumper</block>
     </cat>
   </cat>
 </cat>