Attempting to fix travis errors

.travis.yml

@@ -111,7 +111,7 @@ before_install:
   - if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
       CMAKE_URL="https://cmake.org/files/v3.7/cmake-3.7.2-Linux-x86_64.tar.gz"
       mkdir cmake && travis_retry wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
-      export PATH=${DEPS_DIR}/cmake/bin:${PATH}
+      export PATH=${HOME}/cmake/bin:${PATH}
     fi
   - if [[ "$OPENCL" == "true" ]]; then
       wget http://s3.amazonaws.com/omnia-ci/AMD-APP-SDKInstaller-v3.0.130.135-GA-linux64.tar.bz2;