getlogin tests: Avoid #ifdefs when sharing code between modules. * modules/getlogin_r-tests (Files): Add tests/test-getlogin.h. * modules/getlogin-tests (Files): Likewise. Remove tests/test-getlogin_r.c. * tests/test-getlogin.h: Extracted from tests/test-getlogin_r.c. * tests/test-getlogin.c: Extracted from tests/test-getlogin_r.c. * tests/test-getlogin_r.c: Include test-getlogin.h. Omit code that tests getlogin().

Files:
tests/test-getlogin.c
tests/test-getlogin.h
tests/signature.h
tests/macros.h

Depends-on:

configure.ac:

Makefile.am:
TESTS += test-getlogin
check_PROGRAMS += test-getlogin
test_getlogin_LDADD = $(LDADD) $(LIB_GETLOGIN)