Fix long to string conversion preventing build with JDK 17

ClementGre / PDF4Teachers

PDF editing software in large quantities. Designed for teachers, this app keeps recorded previous annotations, and offers features like marking scale, PDF conversion, vectorial drawing...

https://pdf4teachers.org/

Apache License 2.0

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Fix long to string conversion preventing build with JDK 17 #69

Closed olberger closed 3 years ago

olberger commented 3 years ago

Would fix https://github.com/ClementGre/PDF4Teachers/issues/68 unless it's incompatible with previous Java versions