Apply fix to unpack/build/binary target, ensuring

that multiple subarches will build correctly.
Thanks to Eugene Konev.

svn path=/branches/linux-kernel-2.6.12/; revision=3386

debian/rules

@@ -176,8 +176,8 @@ debian/doc-stamp: debian/patch-stamp
 unpack: debian/unpack-stamp
 debian/unpack-stamp: debian/patch-stamp
 	dh_testdir
+	cd debian;			\
 	for i in $(subarchs); do	\
-	  cd debian; 			\
 	  $(MAKE) subarch=$${i} unpack;	\
 	done
 	ln -s $$(command -v touch) debian/bin/touch.orig
@@ -186,8 +186,8 @@ debian/unpack-stamp: debian/patch-stamp
 build: debian/build-stamp
 debian/build-stamp: debian/unpack-stamp
 	dh_testdir
+	cd debian; 			\
 	for i in $(subarchs); do	\
-	  cd debian;			\
 	  $(MAKE) subarch=$${i} build;	\
 	done
 	touch debian/build-stamp
@@ -205,8 +205,8 @@ clean: unpatch
 binary-indep: source tree patch-debian doc
 binary-arch: build
 	dh_testdir
+	cd debian; 			\
 	for i in $(subarchs); do	\
-	  cd debian;			\
 	  $(MAKE) subarch=$${i} binary;	\
 	done