[tests] update wrt libc changes

src/plugins/e-acsl/tests/bts/oracle/bts1399.0.res.oracle

src/plugins/e-acsl/tests/bts/oracle/bts1399.1.res.oracle

src/plugins/e-acsl/tests/bts/oracle/gen_bts1399.c

src/plugins/e-acsl/tests/bts/oracle/gen_bts13992.c

...gins/e-acsl/tests/e-acsl-runtime/oracle/call.0.res.oracle

...gins/e-acsl/tests/e-acsl-runtime/oracle/call.1.res.oracle

.../e-acsl/tests/e-acsl-runtime/oracle/freeable.0.res.oracle

.../e-acsl/tests/e-acsl-runtime/oracle/freeable.1.res.oracle

...plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_freeable.c

...lugins/e-acsl/tests/e-acsl-runtime/oracle/gen_freeable2.c

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_valid.c

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_valid2.c

...gins/e-acsl/tests/e-acsl-runtime/oracle/gen_valid_alias.c

...ins/e-acsl/tests/e-acsl-runtime/oracle/gen_valid_alias2.c

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_vector.c

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_vector2.c

.../e-acsl/tests/e-acsl-runtime/oracle/localvar.0.res.oracle

.../e-acsl/tests/e-acsl-runtime/oracle/localvar.1.res.oracle

.../e-acsl/tests/e-acsl-runtime/oracle/ptr_init.0.res.oracle

.../e-acsl/tests/e-acsl-runtime/oracle/ptr_init.1.res.oracle