error message fixes

x == nil
x.go:5: cannot use nil as bool

c := x.(type);
x.go:88: use of .(type) outside type switch

R=ken
OCL=34476
CL=34476
2 files changed
tree: fccd9d16db564821f7473ed97b049603228fa8a0
  1. doc/
  2. include/
  3. lib/
  4. misc/
  5. pkg/
  6. src/
  7. test/
  8. usr/
  9. AUTHORS
  10. LICENSE