EasyShell does not compile with target platform Eclipse-2018-12 and greater

[anb0s]

Expected Behavior

EasyShell should compile with target platform Eclipse-2018-12 and greater

Actual Behavior

see: https://travis-ci.org/anb0s/EasyShell/jobs/494185212
error: "The type org.eclipse.swt.widgets.Shell cannot be resolved. It is indirectly referenced from required .class files".

see too: https://bugs.eclipse.org/bugs/show_bug.cgi?id=539656

Reason: Eclipse 2018-12 and greater dropped support of 32bit (x86)

[anb0s]

fixed