Index: wp-includes/functions-post.php
===================================================================
--- wp-includes/functions-post.php	(revision 3345)
+++ wp-includes/functions-post.php	(working copy)
@@ -806,10 +806,10 @@
 
 // Returns an array containing the current upload directory's path and url, or an error message.
 function wp_upload_dir() {
-        if ( defined('UPLOADS') )
-                $dir = UPLOADS;
-        else
-                $dir = 'wp-content/uploads';
+	if ( defined('UPLOADS') )
+		$dir = UPLOADS;
+	else
+		$dir = 'wp-content/uploads';
 
 	$path = ABSPATH . $dir;
 	
@@ -817,35 +817,35 @@
 	$stat = stat(ABSPATH . 'wp-content');
 	$dir_perms = $stat['mode'] & 0000777;  // Get the permission bits.
 
-        // Make sure we have an uploads dir
-        if ( ! file_exists( $path ) ) {
-                if ( ! mkdir( $path ) )
-                        return array('error' => "Unable to create directory $path. Is its parent directory writable by the server?");
+	// Make sure we have an uploads dir
+	if ( ! file_exists( $path ) ) {
+		if ( ! mkdir( $path ) )
+			return array('error' => "Unable to create directory $path. Is its parent directory writable by the server?");
 		@ chmod( $path, $dir_perms );
 	}
 
-        // Generate the yearly and monthly dirs
-        $time = current_time( 'mysql' );
-        $y = substr( $time, 0, 4 );
-        $m = substr( $time, 5, 2 );
-        $pathy = "$path/$y";
-        $pathym = "$path/$y/$m";
+	// Generate the yearly and monthly dirs
+	$time = current_time( 'mysql' );
+	$y = substr( $time, 0, 4 );
+	$m = substr( $time, 5, 2 );
+	$pathy = "$path/$y";
+	$pathym = "$path/$y/$m";
 
-        // Make sure we have a yearly dir
-        if ( ! file_exists( $pathy ) ) {
-                if ( ! mkdir( $pathy ) )
-                        return array('error' => "Unable to create directory $pathy. Is $path writable?");
+	// Make sure we have a yearly dir
+	if ( ! file_exists( $pathy ) ) {
+		if ( ! mkdir( $pathy ) )
+			return array('error' => "Unable to create directory $pathy. Is $path writable?");
 		@ chmod( $pathy, $dir_perms );
 	}
 
-        // Make sure we have a monthly dir
-        if ( ! file_exists( $pathym ) ) {
-                if ( ! mkdir( $pathym ) )
-                        return array('error' => "Unable to create directory $pathym. Is $pathy writable?");
+	// Make sure we have a monthly dir
+	if ( ! file_exists( $pathym ) ) {
+		if ( ! mkdir( $pathym ) )
+			return array('error' => "Unable to create directory $pathym. Is $pathy writable?");
 		@ chmod( $pathym, $dir_perms );
 	}
 
-    $uploads = array('path' => $pathym, 'url' => get_option('siteurl') . "/$dir/$y/$m", 'error' => false);
+	$uploads = array('path' => $pathym, 'url' => get_option('siteurl') . "/$dir/$y/$m", 'error' => false);
 	return apply_filters('upload_dir', $uploads);
 }