[openwrt/openwrt] include: autotools: Add dummy GTKDOCIZE

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/f08190e743cc92aaca9f280071aad71bbff83b37

commit f08190e743cc92aaca9f280071aad71bbff83b37
Author: Hauke Mehrtens <hauke at hauke-m.de>
AuthorDate: Thu Mar 16 00:30:26 2023 +0100

    include: autotools: Add dummy GTKDOCIZE
    
    autoreconf wants to use the gtkdocize tool now if a configure.ac file
    defines GTK_DOC_CHECk(). OpenWrt does not ship the gtkdocize tool, just
    use true instead. This fixes the build of some applications like guntls.
    
    Fixes: 030447b8f4c7 ("tools/autoconf: bump to 2.71")
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 include/autotools.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/autotools.mk b/include/autotools.mk
index f659bac3c5..cba36ccd9f 100644
--- a/include/autotools.mk
+++ b/include/autotools.mk
@@ -23,7 +23,8 @@ AM_TOOL_PATHS:= \
 	LIBTOOLIZE=$(STAGING_DIR_HOST)/bin/libtoolize \
 	LIBTOOL=$(STAGING_DIR_HOST)/bin/libtool \
 	M4=$(STAGING_DIR_HOST)/bin/m4 \
-	AUTOPOINT=true
+	AUTOPOINT=true \
+	GTKDOCIZE=true
 
 # 1: build dir
 # 2: remove files