Previously, if you had multiple profile data files in the
current directory, and did

	kcachegrind *

it loaded every file into a separate new toplevel window, which
for sure is not expected. It only works with local, uncompressed
files for now.
The change also is done for qcachegrind.

svn path=/trunk/KDE/kdesdk/kcachegrind/; revision=1320828