Remove unused/duplicate libraries from glretrace.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 253d27d..6fe8efd 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -261,8 +261,6 @@ set_property (
 target_link_libraries (glretrace
     trace
     ${OPENGL_gl_LIBRARY}
-    ${OPENGL_glu_LIBRARY}
-    ${X11_LIBRARIES}
 )
 
 if (NOT WIN32)