[Travis] Whatever. Just set LD_LIBRARY_PATH for dcmtk.

.travis.yml

@@ -7,6 +7,8 @@ branches:
   only:
     - travis-ci
 
+env: DISPLAY=:9 LD_LIBRARY_PATH=/tmp/CTK-Superbuild-Release-experimental/CMakeExternals/Install/lib
+
 before_install:
   - sudo add-apt-repository ppa:kalakris/cmake -y
   - sudo apt-get update -qq

CMake/ctkTravisDashboardScript.cmake

@@ -109,7 +109,7 @@ CTK_LIB_DICOM/Core:BOOL=ON
 set(TEST_TO_EXCLUDE_REGEX "")
 
 # set any extra environment variables here
-set(ENV{DISPLAY} ":9")
+#set(ENV{DISPLAY} ":9")
 
 find_program(CTEST_COVERAGE_COMMAND NAMES gcov)
 find_program(CTEST_MEMORYCHECK_COMMAND NAMES valgrind)