lib/IPA_Emulation: Build IPA_CTRL conditionally based on define

Change-Id: I4d1eca6b0008a395b7f7449e6ea3f9b6d41133c7
diff --git a/sccp/regen_makefile.sh b/sccp/regen_makefile.sh
index fc9e6d2..08db33e 100755
--- a/sccp/regen_makefile.sh
+++ b/sccp/regen_makefile.sh
@@ -2,6 +2,6 @@
 
 FILES="*.ttcn *.ttcnpp SCCP_EncDec.cc  SCTPasp_PT.cc  TCCConversion.cc TCCInterface.cc UD_PT.cc IPL4asp_PT.cc IPL4asp_discovery.cc IPA_CodecPort_CtrlFunctDef.cc TELNETasp_PT.cc Native_FunctionDefs.cc TCCEncoding.cc "
 
-export CPPFLAGS_TTCN3="-DIPA_EMULATION_SCCP -DUSE_MTP3_DISTRIBUTOR"
+export CPPFLAGS_TTCN3="-DIPA_EMULATION_CTRL -DIPA_EMULATION_SCCP -DUSE_MTP3_DISTRIBUTOR"
 
 ../regen-makefile.sh SCCP_Tests.ttcn $FILES