Switch to libGL-devel

opencv.spec

@@ -144,8 +144,8 @@ BuildRequires:  gflags-devel
 BuildRequires:  SFML-devel
 BuildRequires:  libucil-devel
 BuildRequires:  qt5-qtbase-devel
-BuildRequires:  mesa-libGL-devel
-BuildRequires:  mesa-libGLU-devel
+BuildRequires:  libGL-devel
+BuildRequires:  libGLU-devel
 BuildRequires:  hdf5-devel
 # Module opencv_ovis disabled because of incompatible OGRE3D version < 1.10
 # BuildRequires:  ogre-devel