package/freetype/freetype.mk: Fix editing of freetype-config

Found that the editing of freetypr-config was not quite enough.
Changed it and looked at freetype-config --cflags, --libs and got the values
I expected.

Signed-off-by: Daniel Laird <daniel.j.laird@nxp.com>

package/freetype/freetype.mk

@@ -17,7 +17,10 @@ $(eval $(call AUTOTARGETS,package,freetype))
 $(FREETYPE_TARGET_INSTALL_TARGET):
 	-cp -a $(FREETYPE_DIR)/objs/.libs/libfreetype.so* $(TARGET_DIR)/usr/lib/
 	$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libfreetype.so
-	$(SED) "s,^prefix=.*,prefix=\'$(STAGING_DIR)/usr\',g" $(FREETYPE_DIR)/builds/unix/freetype-config
-	$(SED) "s,^exec_prefix=.*,exec_prefix=\'$(STAGING_DIR)/usr\',g" $(FREETYPE_DIR)/builds/unix/freetype-config
+	$(SED) "s,^prefix=.*,prefix=\'$(STAGING_DIR)/usr\',g" \
+		-e "s,^exec_prefix=.*,exec_prefix=\'$(STAGING_DIR)/usr\',g" \
+		-e "s,^includedir=.*,includedir=\'$(STAGING_DIR)/usr/include/freetype2\',g" \
+		-e "s,^libdir=.*,libdir=\'$(STAGING_DIR)/usr/lib\',g" \
+		$(STAGING_DIR)/usr/bin/freetype-config
 	touch $@