Corrected description of compiling and generating

doc/libdax_model.txt

@@ -861,11 +861,14 @@ ClassDiagram=Gestures_overview
 Notes:
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+ Compile cgen:
+   ( cd libcevap && cc -g -o cgen cgen.c ctyp.c smem.c )
+
  Generate C stubs:
-   ( cd libcevap ; ./libcevap_gen.sh )
+   ( cd libcevap && ./libcevap_gen.sh )
 
  Compile test:
-   ( cd libcevap ; rm cc -g main.c cevap*.c smem.c 2>&1 | less )
+   ( cd libcevap && ( rm a.out ; cc -g main.c cevap*.c smem.c ) )
 
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