dos2unix: use prefix instead of DESTDIR for host installation

prefix defaults to /usr, so setting DESTDIR installs things in
$(HOST_DIR)/usr.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/dos2unix/dos2unix.mk

@@ -38,7 +38,7 @@ define HOST_DOS2UNIX_BUILD_CMDS
 endef
 
 define HOST_DOS2UNIX_INSTALL_CMDS
-	$(HOST_CONFIGURE_OPTS) $(MAKE) -C $(@D) DESTDIR=$(HOST_DIR) ENABLE_NLS= \
+	$(HOST_CONFIGURE_OPTS) $(MAKE) -C $(@D) prefix=$(HOST_DIR) ENABLE_NLS= \
 		install
 endef