Massive spaces->tabs and trailing whitespace cleanup, hopefully for the last

time now I've configured emacs to make them displayed in really annoying
colours...

cmd-string.c

@@ -121,7 +121,7 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
 		case EOF:
 		case ' ':
 		case '\t':
- 			if (have_arg) {
+			if (have_arg) {
 				buf = xrealloc(buf, 1, len + 1);
 				buf[len] = '\0';