add space after each command

Reference: /n/atom/patch/applied2013/acmedumpspc
Date: Tue Jun 18 23:08:35 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/acme/rows.c	Tue Jun 18 23:08:25 2013
+++ /sys/src/cmd/acme/rows.c	Tue Jun 18 23:08:25 2013
@@ -438,7 +438,7 @@
 	r[n] = 0;
 
 	for(c = command; c != nil; c = c->next){
-		cmd = runesmprint("%S", c->name);
+		cmd = runesmprint("%S ", c->name);
 		cmd[c->nname] = 0;
 		p = runestrstr(r, cmd);
 		if(p){