Update some of the "expected" regression test results for Bruce's

recent may/might cleanup, in the hopes that this will unbreak the
buildfarm. Per report from Stefan Kaltenbrunner.

src/pl/plperl/expected/plperl_elog.out

@@ -41,7 +41,7 @@ select uses_global();
 ERROR:  function uses_global() does not exist
 LINE 1: select uses_global();
                ^
-HINT:  No function matches the given name and argument types. You may need to add explicit type casts.
+HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
 SET plperl.use_strict = false;
 create or replace function uses_global() returns text language plperl as $$
 

src/test/regress/expected/geometry_1.out

@@ -107,7 +107,7 @@ SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
 ERROR:  operator does not exist: lseg # point
 LINE 1: SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
                                            ^
-HINT:  No operator matches the given name and argument type(s). You may need to add explicit type casts.
+HINT:  No operator matches the given name and argument type(s). You might need to add explicit type casts.
 -- closest point
 SELECT '' AS thirty, p.f1, l.s, p.f1 ## l.s AS closest
    FROM LSEG_TBL l, POINT_TBL p;

src/test/regress/expected/geometry_2.out

@@ -107,7 +107,7 @@ SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
 ERROR:  operator does not exist: lseg # point
 LINE 1: SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
                                            ^
-HINT:  No operator matches the given name and argument type(s). You may need to add explicit type casts.
+HINT:  No operator matches the given name and argument type(s). You might need to add explicit type casts.
 -- closest point
 SELECT '' AS thirty, p.f1, l.s, p.f1 ## l.s AS closest
    FROM LSEG_TBL l, POINT_TBL p;