Update 'fsfsfixer' to work with svnadmin verify versions 1.9+.

An extra line was added on stderr in svnadmin verify 1.9:
  "* Error verifying revision <REV>."

* contrib/server-side/fsfsfixer/fixer/fix-rev.py
  (handle_one_error): Skip the extra line.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1886928 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/contrib/server-side/fsfsfixer/fixer/fix-rev.py b/contrib/server-side/fsfsfixer/fixer/fix-rev.py
index 66b395a..416a074 100755
--- a/contrib/server-side/fsfsfixer/fixer/fix-rev.py
+++ b/contrib/server-side/fsfsfixer/fixer/fix-rev.py
@@ -137,9 +137,11 @@
   for line in error_lines:
     verbose_print(line)
 
-  match = re.match(r"svn.*: Filesystem is corrupt", error_lines[0])
-  if match:
-    # This is an additional line in v1.7+ error messages: skip it.
+  # Skip uninteresting lines
+  #   svnadmin 1.9+: r"\* Error verifying revision .*"
+  #   svnadmin 1.7+: r"svn.*: Filesystem is corrupt"
+  while (re.match(r"\* Error verifying revision .*", error_lines[0]) or
+         re.match(r"svn.*: Filesystem is corrupt", error_lines[0])):
     error_lines = error_lines[1:]
 
   line1 = error_lines[0]