debian: Fix section/priority/dependencies of i3-wm-dbg (Thanks chrish)

debian/control

@@ -37,9 +37,9 @@ Description: an improved dynamic tiling window manager
 
 Package: i3-wm-dbg
 Architecture: any
-Priority: optional
-Section: x11
-Depends: i3-wm (=${binary:Version})
+Priority: extra
+Section: debug
+Depends: i3-wm (=${binary:Version}), ${misc:Depends}
 Description: Debugging symbols for the i3 window manager
  Debugging symbols for the i3 window manager. Please install this to produce
  useful backtraces before creating new tickets.

debian/rules

@@ -38,7 +38,7 @@ install: build
 	dh_clean -k 
 	dh_installdirs
 
-	# Add here commands to install the package into debian/wiipdf
+	# Add here commands to install the package into debian/i3-wm
 	$(MAKE) DESTDIR=$(CURDIR)/debian/i3-wm/ install
 	mkdir -p $(CURDIR)/debian/i3-wm/usr/share/man/man1
 	cp man/i3.1 $(CURDIR)/debian/i3-wm/usr/share/man/man1