build: Fix filter output of configure summary.

The $filters variable contained newlines, which made the output
rather ugly.

diff --git a/configure.ac b/configure.ac
index 0dbc6b3b0c6524aef886cbccda4d02e19b535460..9927c60dbca695a11b3d7aa44d0dc783283074e8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1497,7 +1497,7 @@ unix socket credentials: $have_ucred
 readline (interactive CLIs): $have_readline
 audio formats handlers: $audio_format_handlers
 id3 version2 support: $have_libid3tag
-filters: $filters
+filters: $(echo $filters)
 writers: $writers
 
 $mixer_summary