use composite build

pandatool/src/egg-qtess/egg-qtess_composite1.cxx

@@ -0,0 +1,8 @@
+#include "config_egg_qtess.cxx"
+#include "eggQtess.cxx"
+#include "isoPlacer.cxx"
+#include "qtessGlobals.cxx"
+#include "qtessInputEntry.cxx"
+#include "qtessInputFile.cxx"
+#include "qtessSurface.cxx"
+#include "subdivSegment.cxx"