Fix HDF5 library order -- static build

When using static libraries, some systems require that the libraries be ordered in dependency order.  Since libhdf5_hl.a depends on symbols from libhdf5.a, it (libhdf5_hl.a) should be listed first.  This was discovered and verified on RHEL-6 with gcc-5.2.0.

h5_test/CMakeLists.txt

@@ -7,8 +7,8 @@ FOREACH(CTEST ${H5TESTS})
   ADD_EXECUTABLE(${CTEST} ${CTEST}.c)
   TARGET_LINK_LIBRARIES(${CTEST}
     netcdf
-    ${HDF5_C_LIBRARIES}
     ${HDF5_HL_LIBRARIES}
+    ${HDF5_C_LIBRARIES}
     )
   ADD_TEST(${CTEST} ${EXECUTABLE_OUTPUT_PATH}/${CTEST})
 ENDFOREACH()