configure.ac: Introduce AC_C_BIGENDIAN_CROSS for WORDS_BIGENDIAN.

2004-09-22  Andreas Tobler  <a.tobler@schweiz.ch>

	* configure.ac: Introduce AC_C_BIGENDIAN_CROSS for WORDS_BIGENDIAN.
	* configure: Regenerate.
	* include/config.h.in: Likewise.
	* jni/gtk-peer/gtkpeer.h (SWAPU32): Introduce macro to swap pixels.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c: Moved SWAPU32
	macro to gtkpeer.h.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c
	(Java_gnu_java_awt_peer_gtk_GdkGraphics2D_getImagePixels): Convert
	pixels from  0xBBGGRRAA to 0xAARRGGBB only on Little Endian
	architectures.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkPixbufDecoder.c (area_updated):
	Likewise.

From-SVN: r87889