transcode: fixed build by adding workaround for 'cannot find -lXv' linking error

multimedia/transcode/transcode.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../transcode/transcode.conf
-# Copyright (C) 2006 - 2008 The OpenSDE Project
+# Copyright (C) 2006 - 2010 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 #
 # More information can be found in the files COPYING and README.
@@ -37,3 +37,7 @@ pkginstalled freetype && var_append confopt " " "--enable-freetype2"
 pkginstalled gtk+12 && var_append confopt " " "--enable-gtk"
 pkginstalled libsdl && var_append confopt " " "--enable-sdl"
 #pkginstalled imagemagick && var_append confopt " " "--enable-imagemagick"
+
+# workaround for 'cannot find -lXv' linking error
+pkginstalled libxv && \
+	var_append GCC_WRAPPER_APPEND ' ' "-L$( pkgprefix libdir libxv )"