add gcc-c++ dependency

schroedinger.spec

@@ -10,7 +10,7 @@ License:        GPL+ or LGPLv2+ or MIT or MPLv1.1
 URL:            http://schrodinger.sourceforge.net/schrodinger_faq.php
 Source0:        http://www.diracvideo.org/download/schroedinger/schroedinger-%{version}.tar.gz
 
-BuildRequires:  gcc
+BuildRequires:  gcc gcc-c++
 BuildRequires:  orc-devel >= 0.4.16
 BuildRequires:  glew-devel >= 1.5.1
 BuildRequires:  gtk-doc