eat crs in console output

Reference: /n/sources/patch/maybe/clognocr
Date: Fri Oct 24 04:02:26 CES 2008
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/aux/clog.c	Fri Oct 24 04:02:22 2008
+++ /sys/src/cmd/aux/clog.c	Fri Oct 24 04:02:21 2008
@@ -24,7 +24,7 @@
 main(int argc, char **argv)
 {
 	Biobuf in;
-	int fd;
+	int fd, l;
 	char *p, *t;
 	char buf[8192];
 
@@ -45,7 +45,9 @@
 
 	for(;;){
 		if(p = Brdline(&in, '\n')){
-			p[Blinelen(&in)-1] = 0;
+			p[l =Blinelen(&in)-1] = 0;
+			if(l && p[l-1] == '\r')
+				p[l-1] = 0;
 			t = ctime(time(0));
 			t[19] = 0;
 			if(fprint(fd, "%s: %s\n", t, p) < 0){