* ld-elfvsb/elfvsb.exp: xfail non-pic shared library tests for
non 64-bit hppa*-*-linux* targets.
* ld-elfvsb/main.c (main_visibility_check): Cast value returned by
visibility_funptr () to a function pointer.
* ld-shared/shared.exp: xfail shared (non PIC), shared (non PIC, load
offset), and shared (PIC main, non PIC so) tests for non 64-bit
hppa*-*-linux* targets.