Remove misplaced comma that was blocking Python string concatenation.

  From: VirusCamp
  Subject: A bug in svntest\main.py makes all py tests failed with -enable-sasl
  To: Subversion Dev
  Date: Sun, 29 Jan 2023 20:38:44 +0800
  Message-ID: <CAHi78HemYfPx=8xc=iFW-uYzpMk5d3vgyjSuYZ3W-ay1KhZGug\
              @mail.gmail.com>


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1907124 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/subversion/tests/cmdline/svntest/main.py b/subversion/tests/cmdline/svntest/main.py
index 69a3f14..8cca496 100644
--- a/subversion/tests/cmdline/svntest/main.py
+++ b/subversion/tests/cmdline/svntest/main.py
@@ -1405,7 +1405,7 @@
     fp.write("groups-db = groups\n")
   if options.enable_sasl:
     fp.write("realm = svntest\n"
-             "[sasl]\n",
+             "[sasl]\n"
              "use-sasl = true\n");
   else:
     fp.write("password-db = passwd\n")