[E-ACSL] update according to kernel changes

src/plugins/e-acsl/misc.ml

src/plugins/e-acsl/mpz.ml

src/plugins/e-acsl/pre_analysis.ml

src/plugins/e-acsl/quantif.ml

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_bts1307.c

...plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_bts13072.c

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_bts1324.c

...plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_bts13242.c

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_bts1326.c

...-acsl/tests/e-acsl-runtime/oracle/gen_function_contract.c

...acsl/tests/e-acsl-runtime/oracle/gen_function_contract2.c

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

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

...ugins/e-acsl/tests/e-acsl-runtime/oracle/gen_invariant2.c

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

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_lazy2.c

...ns/e-acsl/tests/e-acsl-runtime/oracle/gen_linear_search.c

...s/e-acsl/tests/e-acsl-runtime/oracle/gen_linear_search2.c

...s/e-acsl/tests/e-acsl-runtime/oracle/gen_literal_string.c

.../e-acsl/tests/e-acsl-runtime/oracle/gen_literal_string2.c