[cmake] Add BR jsoncpp-devel

[Orion Poplawski]

commit cfb60aeafe863e97e0527483e45379817b8bb6d9
Author: Orion Poplawski <orion at cora.nwra.com>
Date:   Sun Feb 15 22:29:41 2015 -0700

    Add BR jsoncpp-devel

 cmake.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/cmake.spec b/cmake.spec
index f1f8a9a..cf6be9f 100644
--- a/cmake.spec
+++ b/cmake.spec
@@ -45,6 +45,7 @@ BuildRequires:  ncurses-devel, libX11-devel
 BuildRequires:  bzip2-devel
 BuildRequires:  curl-devel
 BuildRequires:  expat-devel
+BuildRequires:  jsoncpp-devel
 BuildRequires:  libarchive-devel
 BuildRequires:  python-sphinx
 BuildRequires:  xz-devel