Merge bitcoin#29658: Bugfix: GUI: Help messages already have a traili…

…ng newline, so don't add an extra one

d1ed09a Bugfix: GUI: Help messages already have a trailing newline, so don't add an extra one (Luke Dashjr)

Pull request description:

  Reviewing bitcoin#29585, I noticed that `bitcoin-qt` adds an extra newline for `-help` and `-version` beyond the other binaries'.

ACKs for top commit:
  hebasto:
    ACK d1ed09a, tested on Ubuntu 24.04.

Tree-SHA512: 15ee9d1060c2492bb3b04a0ac4cb53f7b959bbe32bce415793da0c221f1c963c8f2bb3996ea07d1a7c192bfc2e23be2cd7d4e5649c592eb3fc03906c2763f1aa

src/qt/utilitydialog.cpp

@@ -115,7 +115,7 @@ HelpMessageDialog::~HelpMessageDialog()
 void HelpMessageDialog::printToConsole()
 {
     // On other operating systems, the expected action is to print the message to the console.
-    tfm::format(std::cout, "%s\n", qPrintable(text));
+    tfm::format(std::cout, "%s", qPrintable(text));
 }
 
 void HelpMessageDialog::showOrPrint()