Generated Ada code is wrong for decision with grouped answers

[Glamhoth]

Given a decision with its answers grouped

then generated Ada code contains a syntax error in the if statement

[Glamhoth]

Simple case for reproducing grouped_answers.zip

opengeode --toAda system_structure.pr ponger.pr
asn1scc -Ada --type-prefix asn1Scc -equal dataview-uniq.asn ponger_datamodel.asn
gcc -c ponger.adb

got: ponger.adb:37:21: missing operand

[maxime-esa]

fixed