make set_separators different from , work for input framework.

1-line-patch + test.

testing/btest/Baseline/scripts.base.frameworks.input.setseparator/out

@@ -0,0 +1,10 @@
+{
+[1] = [s={
+b,
+e,
+d,
+c,
+f,
+a
+}, ss=[1, 2, 3, 4, 5, 6]]
+}

testing/btest/scripts/base/frameworks/input/setseparator.bro

@@ -0,0 +1,46 @@
+# (uses listen.bro just to ensure input sources are more reliably fully-read).
+# @TEST-SERIALIZE: comm
+#
+# @TEST-EXEC: btest-bg-run bro bro -b %INPUT
+# @TEST-EXEC: btest-bg-wait -k 5
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff out
+
+@TEST-START-FILE input.log
+#separator \x09
+#fields	i	s	ss
+1	a|b|c|d|e|f	1|2|3|4|5|6
+@TEST-END-FILE
+
+redef InputAscii::set_separator = "|";
+
+@load frameworks/communication/listen
+
+global outfile: file;
+
+module A;
+
+type Idx: record {
+	i: int;
+};
+
+type Val: record {
+	s: set[string];
+	ss:vector of count;
+};
+
+global servers: table[int] of Val = table();
+
+event bro_init()
+	{
+	outfile = open("../out");
+	# first read in the old stuff into the table...
+	Input::add_table([$source="../input.log", $name="ssh", $idx=Idx, $val=Val, $destination=servers]);
+	Input::remove("ssh");
+	}
+
+event Input::update_finished(name: string, source:string)
+	{
+	print outfile, servers;
+	close(outfile);
+	terminate();
+	}