Packaging cleanup

* Update debian/watch to version 4
* Formatting

debian/rules

@@ -5,7 +5,7 @@ DPKG_EXPORT_BUILDFLAGS = 1
 include /usr/share/dpkg/buildflags.mk
 
 %:
-	dh $@  --with=bash-completion
+	dh $@ --with=bash-completion
 
 override_dh_fixperms:
 	dh_fixperms

debian/watch

@@ -1,4 +1,4 @@
 
-version=3
-https://github.com/latchset/clevis/releases \
-    /latchset/clevis/releases/download/[^/]+/clevis-([0-9][.0-9]*)\.tar\.xz
+version=4
+https://github.com/latchset/@PACKAGE@/releases \
+    /latchset/@PACKAGE@/releases/download/[^/]+/@PACKAGE@-([0-9][.0-9]*)@ARCHIVE_EXT@