restore leading "@"

diff --git a/Makefile.maint b/Makefile.maint
index 6825d8d13a7013acd2fcf4274c6f36e7c1a0a4ae..ef8a621a8662e655c0bb28c86b6a0747b6054d7c 100644 (file)
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -197,7 +197,7 @@ endif
 # On 2004-04-13, they were all changed to start with gl_ instead.
 # Make sure that none are inadvertently reintroduced.
 sc_prohibit_jm_in_m4:
-       grep -nE 'jm_[A-Z]'                                     \
+       @grep -nE 'jm_[A-Z]'                                    \
                $$($(CVS_LIST) m4 |grep '\.m4$$'; echo /dev/null) && \
            { echo '$(ME): do not use jm_ in m4 macro names'    \
              1>&2; exit 1; } || :