[Macaulay2] conditionalize older doxygen support

[Rex Dieter]

commit 19d294a239611cc73f39ec204b18f91e8eecb583
Author: Rex Dieter <rdieter at math.unl.edu>
Date:   Sat Jan 18 12:01:39 2014 -0600

    conditionalize older doxygen support

 Macaulay2.spec |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/Macaulay2.spec b/Macaulay2.spec
index 39f78cc..c1f389a 100644
--- a/Macaulay2.spec
+++ b/Macaulay2.spec
@@ -66,7 +66,11 @@ BuildRequires: blas-devel
 BuildRequires: boost-devel
 BuildRequires: cddlib-devel cddlib-static
 BuildRequires: desktop-file-utils
+%if 0%{?fedora} > 18
 BuildRequires: doxygen-latex
+%else
+BuildRequires: doxygen
+%endif
 # etags
 BuildRequires: emacs-common
 BuildRequires: flex