SDL: wikiheaders: trim whitespace at edges after wordwrapping.

SDL Commits
1 
From 8130950e926d7a8b6322ba741447a0edc0f5b977 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Tue, 13 Jul 2021 11:11:33 -0400
Subject: [PATCH] wikiheaders: trim whitespace at edges after wordwrapping.

---
 build-scripts/wikiheaders.pl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build-scripts/wikiheaders.pl b/build-scripts/wikiheaders.pl
index dfd1913c47..1ed9b530e7 100755
--- a/build-scripts/wikiheaders.pl
+++ b/build-scripts/wikiheaders.pl
@@ -108,7 +108,9 @@ sub wordwrap {
         $retval .= $2;  # don't wrap it.
     }
 
-    return $retval . wordwrap_paragraphs($str);  # wrap what's left.
+    $retval .= wordwrap_paragraphs($str);  # wrap what's left.
+    $retval =~ s/\n+$//;
+    return $retval;
 }