win: Avoid warnings about conversion to smaller integer types

util/numeric/in_range_cast.h

Index: util/numeric/in_range_cast.h
diff --git a/util/numeric/in_range_cast.h b/util/numeric/in_range_cast.h
index 3a7bdddf827f763ba1a3652374edcaaab5103106..3dba10afa16016bb7149cd1fa7b4ae14c72cfca2 100644
--- a/util/numeric/in_range_cast.h
+++ b/util/numeric/in_range_cast.h
@@ -32,11 +32,11 @@ namespace crashpad {
 template <typename Destination, typename Source>
 Destination InRangeCast(Source source, Destination default_value) {
   if (base::IsValueInRangeForNumericType<Destination>(source)) {
-    return source;
+    return static_cast<Destination>(source);
   }
 
   LOG(WARNING) << "value " << source << " out of range";
-  return default_value;
+  return static_cast<Destination>(default_value);
 }
 
 }  // namespace crashpad