one more naming consistency change

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@7412 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

configure

@@ -1780,7 +1780,7 @@ echo "libfaac enabled           $faac"
 echo "XviD enabled              $xvid"
 echo "x264 enabled              $x264"
 echo "liba52 support            $a52"
-echo "a52 dlopened              $a52bin"
+echo "liba52 dlopened           $a52bin"
 echo "libdts support            $dts"
 echo "postprocessing support    $pp"
 echo "software scaler enabled   $swscaler"