This change adds marker resolution for problem markers introduced for
bug 479451. The resolution is to explicitly set the projects encoding to
the workspace default encoding.

Change-Id: I31b86a8b86ac3bd56b5bfcc1cbf1d06c0ae99de9
Signed-off-by: Simeon Andreev <simeon.danailov.andreev@gmail.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/192054
Tested-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-by: Andrey Loskutov <loskutov@gmx.de>