scripts/kernel-doc: change the line number meta info

In order to make it more standard and ReST compatible,
change the meta-tag used with --enable-lineno from:

#define LINENO

to
.. LINENO

In practice, no functional changes.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Corbet <[e-mail]>

Documentation/sphinx/kerneldoc.py

···
             result = ViewList()
 
             lineoffset = 0;
-            line_regex = re.compile("^#define LINENO ([0-9]+)$")
+            line_regex = re.compile("^\.\. LINENO ([0-9]+)$")
             for line in lines:
                 match = line_regex.search(line)
                 if match:

scripts/kernel-doc

···
 sub print_lineno {
     my $lineno = shift;
     if ($enable_lineno && defined($lineno)) {
-        print "#define LINENO " . $lineno . "\n";
+        print ".. LINENO " . $lineno . "\n";
     }
 }
 ##
···
 
 =item -enable-lineno
 
-Enable output of #define LINENO lines.
+Enable output of .. LINENO lines.
 
 =back