[gdl] Add BR antlr-tool

[Orion Poplawski]

commit f39c616a6ec66b4908b44d2b5ca7dd1be861f844
Author: Orion Poplawski <orion at cora.nwra.com>
Date:   Wed Mar 21 12:31:08 2012 -0600

    Add BR antlr-tool

 gdl.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdl.spec b/gdl.spec
index d3bb73d..c29b7ca 100644
--- a/gdl.spec
+++ b/gdl.spec
@@ -22,6 +22,7 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 #RHEL doesn't have the needed antlr version/headers, has old plplot
 %if 0%{?fedora}
 BuildRequires:  antlr-C++
+BuildRequires:  antlr-tool
 %global plplot_config %{nil}
 %else
 %global plplot_config --enable-oldplplot