maintainer-makefile: update rule for argmatch

[Akim Demaille]

Installed.

commit fffc8765455be047f97e632db7f30e1883c566ad
Author: Akim Demaille <address@hidden>
Date:   Tue Oct 22 10:28:50 2019 +0200

    maintainer-makefile: update rule for argmatch
    
    * top/maint.mk (sc_prohibit_argmatch_without_use): Add 
ARGMATCH_DEFINE_GROUP.

diff --git a/ChangeLog b/ChangeLog
index 56102ad45..fc438f503 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-22  Akim Demaille  <address@hidden>
+
+       maintainer-makefile: update rule for argmatch.
+       * top/maint.mk (sc_prohibit_argmatch_without_use): Add 
ARGMATCH_DEFINE_GROUP.
+
 2019-10-21  Akim Demaille  <address@hidden>
 
        bitset: let freeing functions accept NULL.
diff --git a/top/maint.mk b/top/maint.mk
index 16e936022..b4c2762f0 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -649,7 +649,7 @@ sc_prohibit_safe_read_without_use:
 
 sc_prohibit_argmatch_without_use:
        @h='argmatch.h' \
-       
re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?)
 *\()' \
+       
re='(\<(ARGMATCH_DEFINE_GROUP|ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?)
 *\()' \
          $(_sc_header_without_use)
 
 sc_prohibit_canonicalize_without_use: