RT2772 update: c_rehash was broken

Move the readdir() lines out of the if statement, so
that flist is available globally.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 6f46c3c3b0)

tools/c_rehash.in

@@ -93,10 +93,10 @@ sub hash_dir {
 	my %hashlist;
 	print "Doing $_[0]\n";
 	chdir $_[0];
-	if ( $removelinks ) {
 	opendir(DIR, ".");
 	my @flist = readdir(DIR);
 	closedir DIR;
+	if ( $removelinks ) {
 		# Delete any existing symbolic links
 		foreach (grep {/^[\da-f]+\.r{0,1}\d+$/} @flist) {
 			if(-l $_) {