Snippets for libffi 3.5.2 from Alpine s390x

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-s390x/main/libffi/libffi-3.5.2-r1.log.

• ../src/java_raw_api.c:317:3: warning: 'ffi_java_raw_to_ptrarray' is deprecated [-Wdeprecated-declarations]
    317 |   ffi_java_raw_to_ptrarray (cif, raw, avalue);
        |   ^~~~~~~~~~~~~~~~~~~~~~~~
  

• ../src/java_raw_api.c:328:3: warning: 'ffi_java_raw_size' is deprecated [-Wdeprecated-declarations]
    328 |   ffi_java_raw *raw = (ffi_java_raw*)alloca (ffi_java_raw_size (cif));
        |   ^~~~~~~~~~~~
  

• ../src/java_raw_api.c:331:3: warning: 'ffi_java_ptrarray_to_raw' is deprecated [-Wdeprecated-declarations]
    331 |   ffi_java_ptrarray_to_raw (cif, avalue, raw);
        |   ^~~~~~~~~~~~~~~~~~~~~~~~
  

• ../src/java_raw_api.c:369:3: warning: 'ffi_prep_java_raw_closure_loc' is deprecated [-Wdeprecated-declarations]
    369 |   return ffi_prep_java_raw_closure_loc (cl, cif, fun, user_data, cl);
        |   ^~~~~~
  

• ../src/s390/ffi.c:724:10: warning: unused variable 'dest' [-Wunused-variable]
    724 |   void (*dest)(void);
        |          ^~~~