Addendum, I've thrown the tool into the SLES TD14 VM Express and I get much the same problem:
TDExpress14.0_Sles10:~/td-GeoImportExport-1-6/bin # java -classpath ./*.* com.teradata.geo.TDGeoImport
Exception in thread "main" java.lang.NoClassDefFoundError: //geojni/dll
Caused by: java.lang.ClassNotFoundException: ..geojni.dll
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: ./geojni.dll. Program will exit.
Addendum, I've thrown the tool into the SLES TD14 VM Express and I get much the same problem: