This removes the requirement of exactly two spaces before the error
description (now one or more is fine).  It also makes an error message
clearer.

Signed-off-by: Ben Pfaff <b...@ovn.org>
---
 build-aux/extract-ofp-errors | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build-aux/extract-ofp-errors b/build-aux/extract-ofp-errors
index 71ae0bd5f0ff..6c14f68b883a 100755
--- a/build-aux/extract-ofp-errors
+++ b/build-aux/extract-ofp-errors
@@ -247,7 +247,7 @@ def extract_ofp_errors(fn):
             expected_errors[m.group(1)] = (fileName, lineNumber)
             continue
 
-        m = re.match('((?:.(?!\.  ))+.)\.  (.*)$', comment)
+        m = re.match('((?:.(?!\.  ))+.)\.\s+(.*)$', comment)
         if not m:
             fatal("unexpected syntax between errors")
 
@@ -257,7 +257,7 @@ def extract_ofp_errors(fn):
         m = re.match('\s+(?:OFPERR_([A-Z0-9_]+))(\s*=\s*OFPERR_OFS)?,',
                      line)
         if not m:
-            fatal("syntax error expecting enum value")
+            fatal("syntax error expecting OFPERR_ enum value")
 
         enum = m.group(1)
         if enum in names:
-- 
2.15.1

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