minor changes

Author: fsaadatmand

chapter01/1-12.c

@@ -1,5 +1,6 @@
 /*
  * Exercise 1-12. Write a program that prints its input one word per line.
+ *
  * By Faisal Saadatmand
  */
 
@@ -14,7 +15,7 @@ int main(void)
 	state = OUT;
 	while ((c = getchar()) != EOF)
 		if (c == ' ' || c == '\n' || c == '\t')
-			printf("\n");
+			putchar('\n');
 		else
 			putchar(c);
 	return 0;