dnsdist-console: flush cout after printing g_outputBuffer

cout may not be a tty, in which case it is block buffered by stdlib, so
flush it after printing g_outputBuffer.

Fixes #8130

diff --git a/pdns/dnsdist-console.cc b/pdns/dnsdist-console.cc
index 75b3561afaa7ac99cab88ee87d9b514fee203967..b46c905241d7cd5f996f8c8c1c78728ad8eddfa7 100644 (file)
--- a/pdns/dnsdist-console.cc
+++ b/pdns/dnsdist-console.cc
@@ -299,7 +299,7 @@ void doConsole()
           }
         }
         else 
-          cout << g_outputBuffer;
+          cout << g_outputBuffer << std::flush;
         if(!getLuaNoSideEffect())
           feedConfigDelta(line);
       }