setupapi/tests: Fix a memory leak.

[Hans Leidekker]

Found by Valgrind.
---
 dlls/setupapi/tests/stringtable.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/dlls/setupapi/tests/stringtable.c b/dlls/setupapi/tests/stringtable.c
index 40e4a54..2b7b77a 100644
--- a/dlls/setupapi/tests/stringtable.c
+++ b/dlls/setupapi/tests/stringtable.c
@@ -304,6 +304,7 @@ static void test_StringTableLookUpStringEx(void)
     ok(!memcmp(buffer, &data, 4), "unexpected data\n");
 
     pStringTableDestroy(table);
+    pStringTableDestroy(table2);
 }
 
 static void test_StringTableStringFromId(void)
-- 
1.6.3.3