local_scan: add note on Makefile requirement

diff --git a/src/src/local_scan.c b/src/src/local_scan.c
index 3500047cac0168d7546cb9048b4d4ad26ca81294..4dd0b2baa8c98aab288e05e5e9458ed325c7e75a 100644 (file)
--- a/src/src/local_scan.c
+++ b/src/src/local_scan.c
@@ -12,6 +12,7 @@ If you want to implement your own version, you should copy this file to, say
 Local/local_scan.c, and edit the copy. To use your version instead of the
 default, you must set
 
+HAVE_LOCAL_SCAN=yes
 LOCAL_SCAN_SOURCE=Local/local_scan.c
 
 in your Local/Makefile. This makes it easy to copy your version for use with