configure: Simplify using --disable-all.

libavutil was always built, allow its dependencies to be enabled.

diff --git a/configure b/configure
index 5e7ded1..2368d73 100755 (executable)
--- a/configure
+++ b/configure
@@ -3136,6 +3136,7 @@ for opt do
         --disable-all)
             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
             disable $LIBRARY_LIST $PROGRAM_LIST doc
+            enable avutil
         ;;
         --enable-random|--disable-random)
             action=${opt%%-random}