Fix:
conf.y:132:87: error: expected ';' after expression
https://github.com/jordansissel/grok/pull/41
--- conf.y.orig	2022-01-17 03:08:32.000000000 -0600
+++ conf.y	2022-01-17 03:09:50.000000000 -0600
@@ -129,7 +129,7 @@
            | match_block_statement
 
 match_block_statement: /* empty */
-           | "pattern" ':' QUOTEDSTRING { conf_new_match_pattern(conf, $3) }
+           | "pattern" ':' QUOTEDSTRING { conf_new_match_pattern(conf, $3); }
            | "reaction" ':' QUOTEDSTRING { CURMATCH.reaction = $3; }
            | "reaction" ':' "none" { CURMATCH.no_reaction = 1; }
            | "shell" ':' QUOTEDSTRING { CURMATCH.shell = $3; }