Fixing non QObject file from being moced.

radixplot/CMakeLists.txt

@@ -20,9 +20,12 @@ TRIBITS_SUBPACKAGE(plot)
 ##---------------------------------------------------------------------------##
 
 # C/C++ headers
-SET(HEADERS
+SET(MOC_HEADERS
    plot.hh
+)
+SET(HEADERS
    graph2d.hh
+   ${MOC_HEADERS}
 )
 #
 # Moc the header files