bug#62226: bash-minimal fails to build on x86_64-w64-mingw32

[Ekaitz Zarraga <ekaitz@elenq.tech>]

Hi,

Adding:

```
"ac_cv_header_sys_socket_h=no"
```

To configure flags in the case the target is mingw solves the first issue, but more issues appear.

I have no enough knowledge about autotools to dig into this much further but it looks like we are finding wrong stuff in the configure step:

```
In file included from shell.c:28:
config.h:340:18: error: ‘long long long’ is too long for GCC
  340 | #define intmax_t long long
      |                  ^~~~
config.h:340:23: error: ‘long long long’ is too long for GCC
  340 | #define intmax_t long long
      |                       ^~~~
config.h:343:19: error: duplicate ‘unsigned’
  343 | #define uintmax_t unsigned long long
      |                   ^~~~~~~~
config.h:343:28: error: ‘long long long’ is too long for GCC
  343 | #define uintmax_t unsigned long long
      |                            ^~~~
config.h:343:33: error: ‘long long long’ is too long for GCC
  343 | #define uintmax_t unsigned long long
      |                                 ^~~~
In file included from bashjmp.h:24,
                 from shell.h:25,
                 from shell.c:53:
./include/posixjmp.h:29:21: error: unknown type name ‘sigjmp_buf’
   29 | #  define procenv_t sigjmp_buf
      |                     ^~~~~~~~~~
bashjmp.h:26:8: note: in expansion of macro ‘procenv_t’
   26 | extern procenv_t top_level;
      |        ^~~~~~~~~
./include/posixjmp.h:29:21: error: unknown type name ‘sigjmp_buf’
   29 | #  define procenv_t sigjmp_buf
      |                     ^~~~~~~~~~
bashjmp.h:27:8: note: in expansion of macro ‘procenv_t’
   27 | extern procenv_t subshell_top_level;
      |        ^~~~~~~~~
./include/posixjmp.h:29:21: error: unknown type name ‘sigjmp_buf’
   29 | #  define procenv_t sigjmp_buf
      |                     ^~~~~~~~~~
bashjmp.h:28:8: note: in expansion of macro ‘procenv_t’
   28 | extern procenv_t return_catch; /* used by `return' builtin */
      |        ^~~~~~~~~
./include/posixjmp.h:29:21: error: unknown type name ‘sigjmp_buf’
   29 | #  define procenv_t sigjmp_buf
      |                     ^~~~~~~~~~
bashjmp.h:29:8: note: in expansion of macro ‘procenv_t’
   29 | extern procenv_t wait_intr_buf;
      |        ^~~~~~~~~
In file included from shell.h:28,
                 from shell.c:53:
/gnu/store/7b119byi86gb3ab5x87ld9fz5xg5bwyd-mingw-w64-x86_64-10.0.0/include/ctype.h:144:13: error: expected identifier or ‘(’ before ‘int’
  144 | int __cdecl isblank(int _C);
      |             ^~~~~~~
syntax.h:103:27: error: expected ‘)’ before ‘==’ token
  103 | #  define isblank(x) ((x) == ' ' || (x) == '\t')
      |                           ^~
In file included from shell.h:29,
                 from shell.c:53:
general.h:33:12: fatal error: sys/resource.h: No such file or directory
   33 | #  include <sys/resource.h>
      |            ^~~~~~~~~~~~~~~~
compilation terminated.
```


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