debian: re-add build-indep/build-arch targets to debian/rules

debian/changelog

@@ -1,5 +1,6 @@
 i3-wm (4.1.1-1) unstable; urgency=low
 
+  * Re-add build-arch/build-indep targets to debian/rules (Closes: #648613)
   * Create a secure temp path instead of a predictable one
   * ipc: set CLOEXEC on client file descriptors
   * Fix prototype in include/xcursor.h
@@ -25,7 +26,7 @@ i3-wm (4.1.1-1) unstable; urgency=low
     moving
   * Bugfix: Don’t close workspace when there are still floating windows on it
 
- -- Michael Stapelberg <michael@stapelberg.de>  Sat, 24 Dec 2011 15:43:53 +0100
+ -- Michael Stapelberg <michael@stapelberg.de>  Sat, 24 Dec 2011 16:23:55 +0100
 
 i3-wm (4.1-1) unstable; urgency=low
 

debian/rules

@@ -4,7 +4,9 @@
 DPKG_EXPORT_BUILDFLAGS = 1
 -include /usr/share/dpkg/buildflags.mk
 
-build: build-stamp
+build: build-arch build-indep
+build-arch: build-stamp
+build-indep: build-stamp
 build-stamp:
 	dh build
 	touch build-stamp