From 4db2ac7026ae3bc85807016cb2510fed996a2a20 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
Date: Thu, 18 Oct 2012 13:44:44 +0200
Subject: Don't make memory argument optional

If `-m' is supplied, a number must follow.
---
 tools/gui/control.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/gui/control.c b/tools/gui/control.c
index a5ef410..0d08893 100644
--- a/tools/gui/control.c
+++ b/tools/gui/control.c
@@ -538,7 +538,7 @@ main (int argc, char *argv[])
 
     static GOptionEntry entries[] =
     {
-        { "mem-size", 'm', G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_INT, &mem_size, "Memory in megabytes to allocate for frame storage", "M" },
+        { "mem-size", 'm', 0, G_OPTION_ARG_INT, &mem_size, "Memory in megabytes to allocate for frame storage", "M" },
         { NULL }
     };
 
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