configure: fix filter() function when matching multiple patterns

This makes comma-separated patters to --disable-decoder and friends
work correctly with POSIX-compliant shells.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@19688 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/configure b/configure
index 6d918c80f70524fc72b54a9beed722243d913785..5c13369ef7815914927f16499198851d47dafb82 100755 (executable)
--- a/configure
+++ b/configure
@@ -295,7 +295,7 @@ filter(){
     pat=$1
     shift
     for v; do
-        case "$v" in $pat) echo "$v" ;; esac
+        eval "case $v in $pat) echo $v ;; esac"
     done
 }