Avoid trimming initial whitespace while looking for signatures.

I ran into a message with an indented stack trace that my indexer
was mistaking for a signature.

diff --git a/notmuch-index-message.cc b/notmuch-index-message.cc
index 3270aac7cfcdc640d619b19d7ceef1f7170196cc..79ec81e40c50a956d510980be5bf4682666fffbf 100644 (file)
--- a/notmuch-index-message.cc
+++ b/notmuch-index-message.cc
@@ -379,8 +379,8 @@ gen_terms_body_str (Xapian::TermGenerator term_gen,
        }
        line_end = next_line - 1;
 
-       /* Trim whitespace. */
-       while (*next_line && isspace (*next_line))
+       /* Get to the next non-blank line. */
+       while (*next_line == '\n')
            next_line++;
 
        /* Skip lines that are quotes. */