changed test case for bts1700

src/plugins/e-acsl/tests/e-acsl-runtime/bts1700.i

 /* run.config
-   COMMENT: argument of functions must be kept, so keep its parameter
-   EXECNOW: LOG gen_bts1700.c BIN gen_bts1700.out @frama-c@ -e-acsl-share ./share/e-acsl ./tests/e-acsl-runtime/bts1700.i -constfold -e-acsl -then-on e-acsl -print -ocode ./tests/e-acsl-runtime/result/gen_bts1700.c > /dev/null && ./gcc_test.sh bts1700
+   COMMENT: pointer to an empty struct
+   EXECNOW: LOG gen_bts1700.c BIN gen_bts1700.out @frama-c@ -e-acsl-share ./share/e-acsl ./tests/e-acsl-runtime/bts1700.i -e-acsl -then-on e-acsl -print -ocode ./tests/e-acsl-runtime/result/gen_bts1700.c > /dev/null && ./gcc_test.sh bts1700
 */
 
 struct toto {};

src/plugins/e-acsl/tests/e-acsl-runtime/oracle/gen_bts1700.c

@@ -22,7 +22,7 @@ extern  __attribute__((__FC_BUILTIN__)) void e_acsl_assert(int predicate,
 model __mpz_struct { ℤ n };
 */
 int __fc_random_counter __attribute__((__unused__));
-unsigned long const __fc_rand_max = 32767UL;
+unsigned long const __fc_rand_max = (unsigned long)32767;
 /*@ ghost extern int __fc_heap_status; */
 
 /*@