[xloadimage] fix libtiff BR to be conditional

[Tom Callaway]

commit 572e51f499f13875536967bde030702d8f9d0879
Author: Tom Callaway <spot at fedoraproject.org>
Date:   Tue Nov 27 17:04:36 2012 -0500

    fix libtiff BR to be conditional

 xloadimage.spec |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/xloadimage.spec b/xloadimage.spec
index 93c6c29..4a3f60c 100644
--- a/xloadimage.spec
+++ b/xloadimage.spec
@@ -32,7 +32,12 @@ Patch21:	xloadimage-4.1-png-pkg-config.patch
 Patch22:	xloadimage-4.1-libtiff4.patch
 Patch23:	xloadimage-4.1-png-1.5.patch
 URL:		http://www.frostbytes.com/~jimf/xloadimage.html
-BuildRequires:	libX11-devel, libtiff-devel >= 4.0, libpng-devel, libjpeg-devel
+%if 0%{?fedora} >= 18
+BuildRequires:	libtiff-devel >= 4.0
+%else
+BuildRequires:	libtiff-devel
+%endif
+BuildRequires:	libX11-devel, libpng-devel, libjpeg-devel
 BuildRequires:	libICE-devel
 
 %description