updated for version 7.4.188
Problem:    SIZEOF_LONG clashes with similar defines in header files.
Solution:   Rename to a name starting with VIM_.  Also for SIZEOF_INT.
Added tag v7-4-188 for changeset 136f05449f29
updated for version 7.4.189
Problem:    Compiler warning for unused argument.
Solution:   Add UNUSED.
Added tag v7-4-189 for changeset 0a9990bbd94a