Artem Bilan cb5d7f626a Fix If-Unmodified-Since header mapping ...

https://build.spring.io/browse/INT-MASTERSPRING40-664
https://build.spring.io/browse/INT-FATS5IC-833

Fix `DefaultHttpHeaderMapper` to populate an `If-Unmodified-Since`
request header with the same formatter as it is in the `HttpHeaders` in
Spring Web

**Cherry-pick to 5.1.x & 5.0.x**

2019-04-02 12:38:34 -04:00

..

main

Fix If-Unmodified-Since header mapping

2019-04-02 12:38:34 -04:00

test

Fix If-Unmodified-Since header mapping

2019-04-02 12:38:34 -04:00