Add patch to add missing include needed for gcc 13

libdap-include.patch

@@ -0,0 +1,11 @@
+diff -up libdap-3.20.10/Constructor.cc.include libdap-3.20.10/Constructor.cc
+--- libdap-3.20.10/Constructor.cc.include	2022-06-26 15:55:00.000000000 -0600
++++ libdap-3.20.10/Constructor.cc	2023-01-17 07:23:47.199638401 -0700
+@@ -31,6 +31,7 @@
+ 
+ #include "config.h"
+ 
++#include <cstdint>
+ #include <string>
+ #include <sstream>
+ #include <algorithm>

libdap.spec

@@ -10,6 +10,9 @@ Source0: http://www.opendap.org/pub/source/libdap-%{version}.tar.gz
 Patch0: libdap-offline.patch
 # Fix for i686 build
 Patch1: https://github.com/OPENDAP/libdap4/pull/192.patch
+# Add missing includes for gcc 13
+# https://github.com/OPENDAP/libdap4/pull/215
+Patch2: libdap-include.patch
 
 BuildRequires: make
 BuildRequires: gcc-c++