kernel-doc: fix wrong code indentation

No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index f795660..c154c32 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2878,7 +2878,7 @@
 		           substr($contents, 0, 1) eq "\t") {
 			$contents = substr($contents, 1);
 		    }
-		$contents .= "\n";
+		    $contents .= "\n";
 		}
 		$inline_doc_state = STATE_INLINE_TEXT;
 	    # Documentation block end */