Fix build on OSX. BREAK_HANDLER is only needed for 7z console tool.
Fix build on OSX. BREAK_HANDLER is only needed for 7z console tool.

Change-Id: I96f00b8008a8055c7eb12523d8beb329f7322f7f
Reviewed-by: Kai Koehne <077bc265216106fb22408e62f2d97925ede69d10@digia.com>
Reviewed-by: Tim Jenssen <6a21f175c697b4129e1bafb6e9b52078bb1a6738@digia.com>

olear/qtifw,olear/qtifw,olear/qtifw,olear/qtifw