SDL: wikiheaders: Ignore doxygen comments that aren't "/**" on a line by itself.

SDL Commits
1 
From 269d0773c701d81dc7eeedae88f9a34cd7c34298 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Tue, 13 Jul 2021 11:11:55 -0400
Subject: [PATCH] wikiheaders: Ignore doxygen comments that aren't "/**" on a
 line by itself.

Makes this ignore /** single line comments */
---
 build-scripts/wikiheaders.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-scripts/wikiheaders.pl b/build-scripts/wikiheaders.pl
index 1ed9b530e..0d1de8344 100755
--- a/build-scripts/wikiheaders.pl
+++ b/build-scripts/wikiheaders.pl
@@ -268,7 +268,7 @@ sub usage {
 
     while (<FH>) {
         chomp;
-        if (not /\A\/\*\*/) {  # not doxygen comment start?
+        if (not /\A\/\*\*\s*\Z/) {  # not doxygen comment start?
             push @contents, $_;
             next;
         }