Move f_addrstr2addr() to library/Misc_Helpers.ttcn

This function can easily be reused in other testsuites supporting both
IPv4 and IPv6 addresses.

Change-Id: I4243ec5551f128629b6504ccc59efeb456a6855d
diff --git a/hlr/regen_makefile.sh b/hlr/regen_makefile.sh
index 7cd6cf4..c5fadde 100755
--- a/hlr/regen_makefile.sh
+++ b/hlr/regen_makefile.sh
@@ -10,6 +10,7 @@
 	IPA_CodecPort_CtrlFunctDef.cc
 	IPL4asp_PT.cc
 	IPL4asp_discovery.cc
+	Native_FunctionDefs.cc
 	MAP_EncDec.cc
 	SS_EncDec.cc
 	TCCConversion.cc