[httpd] add comment to allow easy reuse.

[jorton]

commit 5dd35341376b1ab6cd48731128faf0602f7bb498
Author: Joe Orton <jorton at redhat.com>
Date:   Thu May 31 14:28:46 2012 +0100

    add comment to allow easy reuse.

 pullrev.sh |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/pullrev.sh b/pullrev.sh
index 14477ad..30c93e6 100755
--- a/pullrev.sh
+++ b/pullrev.sh
@@ -14,9 +14,10 @@ vcurl="http://svn.apache.org/viewvc?view=revision&revision="
 
 if test -f ${fn}; then
     mv -v -f ${fn} ${fn}\~
-    sed '/^--- /,$d' < ${fn}\~ > ${fn}
+    echo "# $0 $*" > ${fn}
+    sed '1{/#.*pullrev/d;};/^--- /,$d' < ${fn}\~ >> ${fn}
 else
-    echo > ${fn}
+    echo "# $0 $*" > ${fn}
 fi
 
 new=0