fix android float_reader

[jiayuehua]

build on android 25c report error:

/ mnt/vcpkg-ci/b/scnlib/src/v2.0.0-cc5e6bd45f.clean/src/scn/impl/reader/float_reader.cpp:272:22: error: no member named 'wcstof_l' in the global namespace; did you mean 'wcstold_l'?
            return ::wcstof_l(str, str_end, cloc);
                   ~~^~~~~~~~
                     wcstold_l
/android-ndk-r25c/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/wchar.h:191:13: note: 'wcstold_l' declared here
long double wcstold_l(const wchar_t* __s, wchar_t** __end_ptr, locale_t __l) __INTRODUCED_IN(21);
            ^
/mnt/vcpkg-ci/b/scnlib/src/v2.0.0-cc5e6bd45f.clean/src/scn/impl/reader/float_reader.cpp:275:22: error: no member named 'wcstod_l' in the global namespace; did you mean 'wcstold_l'?
            return ::wcstod_l(str, str_end, cloc);
                   ~~^~~~~~~~
                     wcstold_l
/android-ndk-r25c/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/wchar.h:191:13: note: 'wcstold_l' declared here
long double wcstold_l(const wchar_t* __s, wchar_t** __end_ptr, locale_t __l) __INTRODUCED_IN(21);

and from /android-ndk-r25c/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/wchar.h we can see those functions are only supported on ANDROID_API >= 28

131 │ #if ANDROID_API >= 28
132 │ double wcstod_l(const wchar_t* __s, wchar_t** __end_ptr, locale_t __l) __INTRODUCED_IN(28);
133 │ #endif /* ANDROID_API >= 28 */

141 │ #if ANDROID_API >= 28
142 │ float wcstof_l(const wchar_t* __s, wchar_t** __end_ptr, locale_t __l) __INTRODUCED_IN(28);
143 │ #endif /* ANDROID_API >= 28 */

[jiayuehua]

microsoft/vcpkg#36459

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7e014d4) 79.25% compared to head (fdf07a5) 79.25%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #99   +/-   ##
=======================================
  Coverage   79.25%   79.25%           
=======================================
  Files          57       57           
  Lines        3952     3952           
=======================================
  Hits         3132     3132           
  Misses        820      820           

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[eliaskosunen]

Merged to master in 6079d84, thanks!