Fix PHP notice
git-svn-id: http://svn.automattic.com/wordpress/trunk@13908 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -648,7 +648,7 @@ function get_theme_root( $stylesheet_or_template = false ) {
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function get_theme_root_uri( $stylesheet_or_template = false ) {
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$theme_roots = get_theme_roots();
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if ( $theme_roots[$stylesheet_or_template] )
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if ( isset( $theme_roots[$stylesheet_or_template] ) && $theme_roots[$stylesheet_or_template] )
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$theme_root_uri = content_url( $theme_roots[$stylesheet_or_template] );
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else
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$theme_root_uri = content_url( 'themes' );
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