Don't symlink non-existent file

Change-Id: I10309f07fb207c027703f0b43a478c152a029b6d
diff --git a/hlr/gen_links.sh b/hlr/gen_links.sh
index 6d83882..02da0ea 100755
--- a/hlr/gen_links.sh
+++ b/hlr/gen_links.sh
@@ -12,7 +12,7 @@
 }
 
 DIR=$BASEDIR/titan.Libraries.TCCUsefulFunctions/src
-FILES="TCCInterface_Functions.ttcn TCCConversion_Functions.ttcn TCCConversion.cc TCCConversion.hh
+FILES="TCCInterface_Functions.ttcn TCCConversion_Functions.ttcn TCCConversion.cc
 TCCInterface.cc TCCInterface_ip.h"
 gen_links $DIR $FILES