setupapi: Do not cast NULL.

[Michael Stefaniuc]

---
 dlls/setupapi/stringtable.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/setupapi/stringtable.c b/dlls/setupapi/stringtable.c
index 58a2530..59ad6ce 100644
--- a/dlls/setupapi/stringtable.c
+++ b/dlls/setupapi/stringtable.c
@@ -342,14 +342,14 @@ StringTableDuplicate(HSTRING_TABLE hStringTable)
     if (pSourceTable == NULL)
     {
         ERR("Invalid hStringTable!\n");
-        return (HSTRING_TABLE)NULL;
+        return NULL;
     }
 
     pDestinationTable = MyMalloc(sizeof(STRING_TABLE));
     if (pDestinationTable == NULL)
     {
         ERR("Could not allocate a new string table!\n");
-        return (HSTRING_TABLE)NULL;
+        return NULL;
     }
 
     memset(pDestinationTable, 0, sizeof(STRING_TABLE));
@@ -358,7 +358,7 @@ StringTableDuplicate(HSTRING_TABLE hStringTable)
     if (pDestinationTable->pSlots == NULL)
     {
         MyFree(pDestinationTable);
-        return (HSTRING_TABLE)NULL;
+        return NULL;
     }
 
     memset(pDestinationTable->pSlots, 0, sizeof(TABLE_SLOT) * pSourceTable->dwMaxSlots);
-- 
1.6.0.3
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