spring-projects/spring-boot — pull request #709 by pradtke (2014-04-21 21:31:28+00:00)
Title: RelaxedDataBinder handling for untyped map

`parent.getMapValueTypeDescriptor()` return null when binding to an untyped map.
This causes a NPE exception.

This patch treats an untyped map as having a value type of Object.class.

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