Modified tif_lzw.c so that it should build for numpy v1.7 and below. My previous attempt at a fix failed to build on v1.3, to be honest I don't understand why. I've tested this on v1.3 on linux and v1.7 on windows and both built OK.
Modified tif_lzw.c so that it should build for numpy v1.7 and below. My previous attempt at a fix failed to build on v1.3, to be honest I don't understand why. I've tested this on v1.3 on linux and v1.7 on windows and both built OK.

git-svn-id: 99137e3b38d0603de25cf210fea31637cad7780b@93 4a3e2f78-2e7b-11de-9b0f-33ff132f608d

coruus/pylibtiff,coruus/pylibtiff