2005-07-30  Sven Neumann  <sven@gimp.org>

	* app/base/gimphistogram.c (gimp_histogram_calculate_sub_region):
	loop unrolling.

	* app/dialogs/about-dialog.c
	* app/widgets/gimpselectiondata.c
	* plug-ins/bmp/bmpread.c (ReadBMP)
	* plug-ins/gfig/gfig.c (gfig_load)
	* plug-ins/imagemap/imap_preview.c
	* plug-ins/imagemap/imap_selection.c
	* plug-ins/jpeg/jpeg-exif.c
	* plug-ins/common/dicom.c: fixed signedness warnings.