la_symbind32 is used for x32 in x86-64 audit tests. We should define
both la_symbind32 and la_symbind64 in x86-64 audit tests.
* sysdeps/x86_64/tst-auditmod10b.c (la_symbind32): New.
* sysdeps/x86_64/tst-auditmod4b.c (la_symbind32): Likewise.
* sysdeps/x86_64/tst-auditmod5b.c (la_symbind32): Likewise.
* sysdeps/x86_64/tst-auditmod6b.c (la_symbind32): Likewise.
* sysdeps/x86_64/tst-auditmod6c.c (la_symbind32): Likewise.
* sysdeps/x86_64/tst-auditmod7b.c (la_symbind32): Likewise.