Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax

include ../../common.mk

lib_LIBRARIES = libstage4_iec.a

libstage4_iec_a_SOURCES = generate_iec.cc 

libstage4_iec_a_LIBADD = ../stage4.o

libstage4_iec_a_cppflags = -I../../../absyntax