Fix version number in configure error message when ORCA is not found.

Commit 589c737e bumped the expected ORCA version number to 3.86, but
forgot to update the error message.

config/orca.m4

@@ -43,7 +43,7 @@ AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 return strncmp("3.86.", GPORCA_VERSION_STRING, 5);
 ])],
 [AC_MSG_RESULT([[ok]])],
-[AC_MSG_ERROR([Your ORCA version is expected to be 3.85.XXX])]
+[AC_MSG_ERROR([Your ORCA version is expected to be 3.86.XXX])]
 )
 AC_LANG_POP([C++])
 ])# PGAC_CHECK_ORCA_VERSION

configure

@@ -14950,7 +14950,7 @@ if ac_fn_cxx_try_run "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
 $as_echo "ok" >&6; }
 else
-  as_fn_error $? "Your ORCA version is expected to be 3.85.XXX" "$LINENO" 5
+  as_fn_error $? "Your ORCA version is expected to be 3.86.XXX" "$LINENO" 5
 
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \