mboxd: Whitespace cleanups

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/mboxd.c b/mboxd.c
index 1769537..248dd49 100644
--- a/mboxd.c
+++ b/mboxd.c
@@ -349,7 +349,7 @@
 	static const struct option long_options[] = {
 		{ "verbose", no_argument, 0, 'v' },
 		{ "syslog",  no_argument, 0, 's' },
-		{ 0,         0,           0,  0  }
+		{ 0,	     0,		  0,  0  }
 	};
 
 	context = calloc(1, sizeof(*context));