Fix for valgrind errors in test: require symlink support for partition_not_windows.test

mysql-test/include/have_symlink.inc:
  BitKeeper file /benchmarks/ext3/TOSAVE/tsmith/bk/maint/51/mysql-test/include/have_symlink.inc

mysql-test/include/have_symlink.inc

+# Several partition-related tests include this file, because Valgrind/Purify
+# builds disable symlink support; some partition functionality depends on
+# symlink support, and so does not test correctly under valgrind.  See the
+# comment in mysqld.cc for the --symbolic-links option.
+
+-- require r/have_symlink.require
+
+disable_query_log;
+show variables like "have_symlink";
+enable_query_log;

mysql-test/t/partition_mgm_err2.test

 #
 # Test of partitions that require symlinks
 #
--- source include/have_partition.inc
+--source include/have_partition.inc
+--source include/have_symlink.inc
 
 #
 # This test is disabled on windows due to BUG#19107
 #
--- source include/not_windows.inc
--- require r/have_symlink.require
-
-disable_query_log;
-show variables like "have_symlink";
-enable_query_log;
-
+--source include/not_windows.inc
 #
 # BUG: 14354 Partitions: data directory clause fails
 #

mysql-test/t/partition_not_windows.test

 # Non-windows specific partition tests.
 --source include/not_windows.inc
 --source include/have_partition.inc
+# SUBPARTITION depends on symlink support
+--source include/have_symlink.inc
 
 # partition.test used to contained the following note:
 # This test is disabled on Windows due to BUG#19107

mysql-test/t/symlink.test

--- require r/have_symlink.require
-disable_query_log;
-show variables like "have_symlink";
-enable_query_log;
-
+--source include/have_symlink.inc
 --source include/not_windows.inc
 
 --disable_warnings

sql/mysqld.cc

@@ -5872,6 +5872,11 @@ log and this option does nothing anymore.",
 #endif
   {"symbolic-links", 's', "Enable symbolic link support.",
    (gptr*) &my_use_symdir, (gptr*) &my_use_symdir, 0, GET_BOOL, NO_ARG,
+   /*
+     The system call realpath() produces warnings under valgrind and
+     purify. These are not suppressed: instead we disable symlinks
+     option if compiled with valgrind support.
+   */
    IF_PURIFY(0,1), 0, 0, 0, 0, 0},
   {"sysdate-is-now", OPT_SYSDATE_IS_NOW,
    "Non-default option to alias SYSDATE() to NOW() to make it safe-replicable. Since 5.0, SYSDATE() returns a `dynamic' value different for different invocations, even within the same statement.",
@@ -5904,11 +5909,6 @@ log and this option does nothing anymore.",
    0, 0, 0, 0, 0},
   {"use-symbolic-links", 's', "Enable symbolic link support. Deprecated option; use --symbolic-links instead.",
    (gptr*) &my_use_symdir, (gptr*) &my_use_symdir, 0, GET_BOOL, NO_ARG,
-   /*
-     The system call realpath() produces warnings under valgrind and
-     purify. These are not suppressed: instead we disable symlinks
-     option if compiled with valgrind support. 
-   */
    IF_PURIFY(0,1), 0, 0, 0, 0, 0},
   {"user", 'u', "Run mysqld daemon as user.", 0, 0, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},