fossil: silence flushthread print
 [rsc] --rw-rw-r-- M 842976 rsc sys 43886 Mar 19 14:10 sys/src/cmd/fossil/cache.c
	/n/sourcesdump/2006/0319/plan9/sys/src/cmd/fossil/cache.c:2034,2040 - 
	/n/sourcesdump/2006/0320/plan9/sys/src/cmd/fossil/cache.c:2034,2040
	  				 * Pause a little.
	  				 */
	  				if(i==0){
	- 					fprint(2, "flushthread found nothing to flush - %d dirty\n", c->ndirty);
	+ 					// fprint(2, "flushthread found nothing to flush - %d dirty\n", c->ndirty);
	  					sleep(250);
	  				}
	  				break;