1) Fix for bug 3413 - [GCCE] Namespace 'abi' not declared in e32test build.
2) Revert fix for bug 3389; fix for 3431 replaces it.
3) Correct typo in fix for bug 3391.
EXPORTS
_Z7Export1v @ 1 NONAME ; Export1()
_Z7Export2v @ 2 NONAME ; Export2()
_Z7Export3v @ 3 NONAME ; Export3()
_Z7Export4v @ 4 NONAME ABSENT ; Export4()
_Z7Export5i @ 5 NONAME ; Export5(int)