HOTFIX: solve msvc bug
HOTFIX: solve msvc bug

removed offending Dump function from ExSUM since it
is not used anyway
mwiesenberger/feltor,mwiesenberger/feltor,mwiesenberger/feltor,mwiesenberger/feltor,feltor-dev/feltor,feltor-dev/feltor,feltor-dev/feltor,feltor-dev/feltor