pgsql: Change spaces to tabs, for consistency.

Log Message:
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Change spaces to tabs, for consistency. (Caused by email cut/paste.)

Modified Files:
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pgsql/src/backend/port/tas:
solaris_sparc.s (r1.5 -> r1.6)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/port/tas/solaris_sparc.s.diff?r1=1.5&r2=1.6)
solaris_x86.s (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/port/tas/solaris_x86.s.diff?r1=1.3&r2=1.4)