[x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
[x] Are all unit tests still pass successfully after your changes?
Change description:
Add the missing cctype include, which is causing build failure on the Windows OS. Probably other used build toolchains were including cctype header internally.
Verification criteria:
Was checked by the user, who has created an issue.
[ISSUE #17][BUILD_FAILURE] DMA_Plantuml.cpp: error C2039: 'tolower': is not a member of 'std'
Change description:
Verification criteria: