Fix libexecdir
diff --git a/Makefile.in b/Makefile.in
index dde1353..b338c9c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -3,6 +3,7 @@
 bindir=@bindir@
 sbindir=@sbindir@
 libdir=@libdir@
+libexecdir=@libexecdir@
 mandir=@mandir@
 sysconfdir=@sysconfdir@