* README.win32: Advice about gcc.

	* libgimp/gimp.{c,h,def}: New way to get address of PLUG_IN_INFO
 	to the gimp dll, similar as used by the EMX port. Much cleaner.
	Works well with gcc also now.

	* app/gimprc.c: Remove gratuituous printf.

	* app/makefile.msc: Update with new files.

	* plug-ins/makefile.msc: Small updates.

	* plug-ins/makefile.cygwin: New file.

	* plug-ins/gfig/gfig.c
	* plug-ins/script-fu/script-fu-scripts.c: Include <glib.h> early.