Fix a typo that made ocaml-mode not build properly

diff --git a/debian/rules b/debian/rules
index 25841ae2e393b1df246d45d746fa1c499ab46efb..1664081018484f167031066e229ddb723c34c8d9 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -165,7 +165,7 @@ endif
 override_dh_auto_install: install-stamp
 
 install-stamp:
-ifneq (,$(findstring ocaml-mode,$(PACKAGES)))
+ifneq (,$(findstring ocaml-mode,$(ALL_PACKAGES)))
 # Install Emacs files
        $(MAKE) -C emacs \
          EMACSDIR=$(CURDIR)/debian/ocaml-mode/usr/share/emacs/site-lisp/ocaml-mode \