msvcrt tests: fix memory leak (found by Smatch).

[Lionel Debroux]

---
 dlls/msvcrt/tests/string.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/dlls/msvcrt/tests/string.c b/dlls/msvcrt/tests/string.c
index 6dabc61..b32a062 100644
--- a/dlls/msvcrt/tests/string.c
+++ b/dlls/msvcrt/tests/string.c
@@ -419,4 +419,5 @@ START_TEST(string)
     test_mbsspnp();
    /* test _strdup */
     test_strdup();
+    free(mem);
 }
-- 
1.5.3.2


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