community/thttpd: fix build with gcc 14

The configure script fails to detect a working gcc. It seems non-trivial
to fix the configure scripts and it was difficult to find a git
repository or issue tracker and there have not been any new releases in
years.

Just use -fpermissive for now.

community/thttpd/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Francesco Colista <fcolista@alpinelinux.org>
 pkgname=thttpd
 pkgver=2.29
-pkgrel=2
+pkgrel=3
 pkgdesc="Simple, small, portable, fast, and secure HTTP server"
 url="http://www.acme.com/software/thttpd"
 arch="all"
@@ -28,7 +28,9 @@ prepare() {
 }
 
 build() {
-	./configure --prefix=/usr --mandir=/usr/share/man
+	CFLAGS="$CFLAGS -fpermissive" ./configure \
+		--prefix=/usr \
+		--mandir=/usr/share/man
 	sed -e 's/^CFLAGS =/CFLAGS +=/' \
 	    -e '/^STATICFLAG =/c STATICFLAG =' \
 	    -i Makefile */Makefile