cmake ctest_coverage(APPEND) examples

HDFGroup/hdf4 config/cmake/scripts/CTestScript.cmake :283

ctest_coverage (BUILD "${CTEST_BINARY_DIRECTORY}" APPEND)

HDFGroup/hdf5 config/cmake/scripts/CTestScript.cmake :340

ctest_coverage (BUILD "${CTEST_BINARY_DIRECTORY}" APPEND)

InsightSoftwareConsortium/ITK Modules/ThirdParty/HDF5/src/itkhdf5/config/cmake/scripts/CTestScript.cmake :340

ctest_coverage (BUILD "${CTEST_BINARY_DIRECTORY}" APPEND)