Specify version on script invocation.

Author: dmjio

.travis.yml

@@ -7,6 +7,6 @@ before_install:
 script:
  - curl -O http://arrayfire.s3.amazonaws.com/3.6.4/ArrayFire-v3.6.4_Linux_x86_64.sh
  - chmod +x ArrayFire-v3.6.4_Linux_x86_64.sh
- - ./Arrayfire_*_Linux_x86_64.sh --include-subdir --prefix=/opt
+ - ./ArrayFire-v3.6.4_Linux_x86_64.sh --include-subdir --prefix=/opt
  - ls -lah /opt/arrayfire/
  - nix-shell --run test