2006-04-06  Sven Neumann  <sven@gimp.org>

	* app/core/gimpdata.c (gimp_data_error_quark)
	* libgimpconfig/gimpconfig-error.c (gimp_config_error_quark)
	* libgimpthumb/gimpthumb-error.c (gimp_thumb_error_quark):
	g_quark_from_static_string() is already reasonably fast, not much
	point in caching the result.