shithub: prez

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fix not allocating backing canvas when starting up with image

--- a/canvas.c

+++ b/canvas.c

@@ -143,6 +143,8 @@

 		if((canvas = readimage(display, fd, 0)) == nil)

 			sysfatal("readimage: %r");

 		close(fd);

+		if((canvas2 = allocimage(display, canvas->r, screen->chan, 0, DNofill)) == nil)

+			sysfatal("allocimage: %r");

 		return;

 	}else if(!eqpt(sz, ZP))

 		r = Rpt(ZP, sz);