Use explicit fflush() instead of setvbuf()

Flushing after every line when printing to console is desirable when
running with systemd but setvbuf() has slightly different semantics
on Windows that causes warnings.  Just do an explicit fflush() after
each line print to console instead.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/util.cpp b/src/util.cpp
index 5a4e187f9e..20aff49c86 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -211,6 +211,7 @@ int LogPrintStr(const std::string &str)
     {
         // print to console
         ret = fwrite(str.data(), 1, str.size(), stdout);
+        fflush(stdout);
     }
     else if (fPrintToDebugLog && AreBaseParamsConfigured())
     {