readline: needs host depend on ncurses to build

We must ensure that host ncurses is build before host readline.

Signed-off-by: Jan Kardell <jan.kardell@telliq.com>
(cherry picked from commit ecef29b29463e7549779e90739e61f8729ccaf09)

package/libs/readline/Makefile

@@ -25,6 +25,8 @@ PKG_INSTALL:=1
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/host-build.mk
 
+HOST_BUILD_DEPENDS:=ncurses/host
+
 define Package/libreadline
   SECTION:=libs
   CATEGORY:=Libraries