win: Add static_cast to AssignIfInRange

util/numeric/safe_assignment.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 17 matching lines @@
 //! \return `true` if \a source is in the range supported by the type of \a
 //!     *destination, with the assignment to \a *destination having been
 //!     performed. `false` if the assignment cannot be completed safely because
 //!     \a source is outside of this range.
 template <typename Destination, typename Source>
 bool AssignIfInRange(Destination* destination, Source source) {
   if (!base::IsValueInRangeForNumericType<Destination>(source)) {
     return false;
   }
 
-  *destination = source;
+  *destination = static_cast<Destination>(source);
   return true;
 }
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_NUMERIC_SAFE_ASSIGNMENT_H_