fix #72
fix #72

OCI_LobErase() returned 1 (TRUE) on success and 0 (FALSE) on failure
instead of returning the number of elements erased from the LOB

kornefalk/ocilib2017,ljx0305/ocilib,vrogier/ocilib,vrogier/ocilib,vrogier/ocilib,kornefalk/ocilib2017,ljx0305/ocilib,ljx0305/ocilib,vrogier/ocilib,kornefalk/ocilib2017