Fix link to PR in the changelog. (#59)

Author: sarenameas

CHANGELOG.md

@@ -6,7 +6,7 @@
  - [#53](https://github.com/FreeRTOS/coreJSON/pull/53) Update the `JSON_Search` function to support searching JSON arrays. This change is not backwards compatible.
 
 ### Other
- - [#35](https://github.com/FreeRTOS/coreJSON/pull/35), [#36](https://github.com/FreeRTOS/coreJSONpull/36), [#39](https://github.com/FreeRTOS/coreJSON/pull/39), [#51](https://github.com/FreeRTOS/coreJSON/pull/51), [#52](https://github.com/FreeRTOS/coreJSON/pull/52), [#54](https://github.com/FreeRTOS/coreJSON/pull/54) Minor documentation updates.
+ - [#35](https://github.com/FreeRTOS/coreJSON/pull/35), [#36](https://github.com/FreeRTOS/coreJSON/pull/36), [#39](https://github.com/FreeRTOS/coreJSON/pull/39), [#51](https://github.com/FreeRTOS/coreJSON/pull/51), [#52](https://github.com/FreeRTOS/coreJSON/pull/52), [#54](https://github.com/FreeRTOS/coreJSON/pull/54) Minor documentation updates.
  - [#40](https://github.com/FreeRTOS/coreJSON/pull/40) Build the unit tests with Unity instead of CMock.
  - [#44](https://github.com/FreeRTOS/coreJSON/pull/44) Add 100% branch coverage to the unit tests.
  - [#46](https://github.com/FreeRTOS/coreJSON/pull/46), [#49](https://github.com/FreeRTOS/coreJSON/pull/49) Fix warnings in the source code.