af_compand: add a dependency on strtok_r

diff --git a/configure b/configure
index 2f2a0f7..a7c0043 100755 (executable)
--- a/configure
+++ b/configure
@@ -2016,6 +2016,7 @@ unix_protocol_select="network"
 # filters
 blackframe_filter_deps="gpl"
 boxblur_filter_deps="gpl"
+compand_filter_deps="strtok_r"
 cropdetect_filter_deps="gpl"
 delogo_filter_deps="gpl"
 drawtext_filter_deps="libfreetype"