[gjs/msvc.fixes] gi/js-value-inl.h: Cast parameter to std::isnan() to float

[Chun-wei Fan <fanchunwei src gnome org>]

commit 9ef3a1994ade95c00d1c4967269cb9f27b66dbd7
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Mar 12 16:52:53 2021 +0800

    gi/js-value-inl.h: Cast parameter to std::isnan() to float
    
    This way, we avoid ambiguity compiler errors...

 gi/js-value-inl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gi/js-value-inl.h b/gi/js-value-inl.h
index 7a73b72e..01fde1e5 100644
--- a/gi/js-value-inl.h
+++ b/gi/js-value-inl.h
@@ -214,7 +214,7 @@ GJS_JSAPI_RETURN_CONVENTION inline bool js_value_to_c_checked(
                      static_cast<T>(std::numeric_limits<WantedType>::lowest()));
 
             if constexpr (std::is_integral_v<WantedType>)
-                *out_of_range |= std::isnan(*out);
+                *out_of_range |= std::isnan(static_cast<float>(*out));
         }
         return ret;
     }