* debug.c (ruby_debug_print_indent): use length in fprintf.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15587 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

debug.c

@@ -70,10 +70,7 @@ void
 ruby_debug_print_indent(int level, int debug_level, int indent_level)
 {
     if (level < debug_level) {
-	int i;
-	for (i = 0; i < indent_level; i++) {
-	    fprintf(stderr, " ");
-	}
+	fprintf(stderr, "%*s", indent_level, "");
 	fflush(stderr);
     }
 }