configure: simplify append function

Originally committed as revision 23778 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/configure b/configure
index 1e103ff..3de19a5 100755 (executable)
--- a/configure
+++ b/configure
@@ -552,7 +552,6 @@ temp_extralibs(){
 append(){
     var=$1
     shift
-    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
     eval "$var=\"\$$var $*\""
 }