Thu Oct 02 15:09:30 2014  Jiri (George) Lebl <jirka@5z.com>

	* src/calc.c: fix minor memory leak

	* gtkextra/gtkplotcanvasplot.c: fix use after free error

	* src/graphing.c: properly show/hide the legends in the "moveabout"
	  and therefore it always properly does the right thing even without
	  LinePlotClear before LinePlotDrawLine or Points