wc: Removing output padding

Since the first column is not padded on the left, all the others will
not be aligned, so the padding isn't very useful.

POSIX says thet output should have the form

  "%d %d %d %s\n", <newlines>, <words>, <bytes>, <file>

so just do that.

wc.c

@@ -15,19 +15,19 @@ output(const char *str, size_t nc, size_t nl, size_t nw)
 	int first = 1;
 
 	if (lflag) {
-		if (!first)
-			putchar(' ');
-		printf("%*zu", first ? (first = 0) : 6, nl);
+		first = 0;
+		printf("%zu", nl);
 	}
 	if (wflag) {
 		if (!first)
 			putchar(' ');
-		printf("%*zu", first ? (first = 0) : 6, nw);
+		first = 0;
+		printf("%zu", nw);
 	}
 	if (cmode) {
 		if (!first)
 			putchar(' ');
-		printf("%*zu", first ? (first = 0) : 6, nc);
+		printf("%zu", nc);
 	}
 	if (str)
 		printf(" %s", str);