* lib/screenshooter-utils.c: start to add G_LIKELY and G_UNLIKELY macros.

	* lib/screenshooter-dialogs.c:
	  - more indentation improvements.
	  - start to add G_LIKELY and G_UNLIKELY macros.
	* lib/screenshooter-capture.c: start to add G_LIKELY and G_UNLIKELY macros.
	* lib/screenshooter-capture.h: add the glib header.


(Old svn revision: 7226)