Adds missing include header.

Author: mzimbres

.github/workflows/coverage.yml

@@ -3,7 +3,7 @@ name: Coverage
 on:
   push:
     branches:
-      - master
+      - develop
 jobs:
   posix:
     defaults:

include/boost/redis/adapter/result.hpp

@@ -9,6 +9,7 @@
 #define BOOST_REDIS_ADAPTER_RESULT_HPP
 
 #include <boost/redis/resp3/type.hpp>
+#include <boost/redis/error.hpp>
 #include <boost/system/result.hpp>
 #include <string>