Updated Makefile to copy files to .build folder

Change-Id: I438ed2ae4c3167da78897870f66d2635b5ab2392
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/Makefile b/Makefile
index 71425c6..9189cf7 100644
--- a/Makefile
+++ b/Makefile
@@ -48,7 +48,7 @@
 	cd build && cp osm_ro/scripts/python-osm-ro.postinst deb_dist/osm-ro*/debian/
 	cd build/deb_dist/osm-ro* && dpkg-buildpackage -rfakeroot -uc -us
 	mkdir -p .build
-	cp build/deb_dist/python-*.deb ./build/
+	cp build/deb_dist/python-*.deb .build/
 
 snap:
 	echo "Nothing to be done yet"