Don't build ethereal plugin if no ethereal headers found.

diff --git a/configure.in b/configure.in
index d0c2dbd..70ceb79 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -199,9 +199,8 @@ if test "$ethereal" = true; then
     fi
     CFLAGS=$mdw_CFLAGS
   ])
-  case $mdw_cv_ethereal_plugin_dir in
+  case $mdw_cv_ethereal_includes in
     failed) ethereal=false;;
-    *) ETHEREAL_PLUGIN_DIR=$mdw_cv_ethereal_plugin_dir;;
   esac  
 fi