add amsmath package as per

<http://www.cactuscode.org/pipermail/developers/2005-June/001071.html>
and following discussion


git-svn-id: http://svn.cactuscode.org/flesh/trunk@4085 17b73243-c579-4c4c-a9d2-2d5706c11dac

1 files changed, 1 insertions, 0 deletions

diff --git a/doc/latex/cactus.sty b/doc/latex/cactus.sty
index c631bf1c..25074922 100644
--- a/doc/latex/cactus.sty
+++ b/doc/latex/cactus.sty
@@ -47,6 +47,7 @@
 \RequirePackage{graphicx}
 \RequirePackage{latexsym}
 \RequirePackage{amssymb}
+\RequirePackage{amsmath}
 \RequirePackage{ifthen}
 \RequirePackage{calc}
 \RequirePackage{thumbpdf}