define BUILD_KRB5_LIB when building libkrb5.la, add KRB5_LIB_FUNCTION proto
define BUILD_KRB5_LIB when building libkrb5.la, add KRB5_LIB_FUNCTION proto


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@13714 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal