luaposix: disable detection of ldoc

Signed-off-by: Nicolas Thill <nico@openwrt.org>

lang/luaposix/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luaposix
 PKG_VERSION:=v33.2.1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=release-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/luaposix/luaposix/archive/
@@ -38,6 +38,8 @@ define Package/luaposix/description
   to various low level libc functions.
 endef
 
+CONFIGURE_VARS += ac_cv_path_LDOC=""
+
 TARGET_CFLAGS += -DLUA_USE_LINUX $(FPIC) -std=gnu99
 
 ifneq ($(CONFIG_USE_EGLIBC),)