[epiphany] dolt.m4: add support (just ignoring it) for --silent

[Xan Lopez <xan src gnome org>]

commit 41d2622f1b29c5c9471b7c3a4a5f4f2422b649bf
Author: Xan Lopez <xan gnome org>
Date:   Sat Jul 11 23:11:12 2009 +0300

    dolt.m4: add support (just ignoring it) for --silent

 m4/dolt.m4 |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/m4/dolt.m4 b/m4/dolt.m4
index 8f94582..1109bdb 100644
--- a/m4/dolt.m4
+++ b/m4/dolt.m4
@@ -155,6 +155,7 @@ modeok=false
 tagok=false
 for arg in "$[]@"; do
     case "$arg" in
+        --silent) ;;
         --mode=compile) modeok=true ;;
         --tag=CC|--tag=CXX) tagok=true ;;
         *) args@<:@${#args[ ]}@:>@="$arg" ;;