package/ncurses: slight code re-arrangement

Move the definition of libraries to install before it is actually used.

Also, in a coming changeset, it will also be used to know which
pkg-config files to symlink.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/ncurses/ncurses.mk

@@ -43,6 +43,11 @@ else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
 NCURSES_CONF_OPTS += --with-shared --with-normal
 endif
 
+NCURSES_LIBS-y = libncurses
+NCURSES_LIBS-$(BR2_PACKAGE_NCURSES_TARGET_MENU) += libmenu
+NCURSES_LIBS-$(BR2_PACKAGE_NCURSES_TARGET_PANEL) += libpanel
+NCURSES_LIBS-$(BR2_PACKAGE_NCURSES_TARGET_FORM) += libform
+
 ifeq ($(BR2_PACKAGE_NCURSES_WCHAR),y)
 NCURSES_CONF_OPTS += --enable-widec
 NCURSES_LIB_SUFFIX = w
@@ -76,11 +81,6 @@ NCURSES_POST_INSTALL_STAGING_HOOKS += NCURSES_LINK_STAGING_LIBS
 
 endif
 
-NCURSES_LIBS-y = libncurses
-NCURSES_LIBS-$(BR2_PACKAGE_NCURSES_TARGET_MENU) += libmenu
-NCURSES_LIBS-$(BR2_PACKAGE_NCURSES_TARGET_PANEL) += libpanel
-NCURSES_LIBS-$(BR2_PACKAGE_NCURSES_TARGET_FORM) += libform
-
 ifneq ($(BR2_ENABLE_DEBUG),y)
 NCURSES_CONF_OPTS += --without-debug
 endif