Fix warnings detected by MSVC

svn path=/trunk/; revision=23150

reactos/lib/recyclebin/openclose.c

@@ -170,7 +170,7 @@ IntReferenceRecycleBin(
 	}
 
 	/* Search if the recycle bin has already been opened */
-	driveLetter = toupper(driveLetter);
+	driveLetter = (WCHAR)toupper(driveLetter);
 	ListEntry = ListHead.Flink;
 	while (ListEntry != &ListHead)
 	{

reactos/lib/recyclebin/recyclebin.c

@@ -261,7 +261,6 @@ GetDeletedFileDetailsA(
 {
 	PDELETED_FILE_DETAILS_W FileDetailsW = NULL;
 	DWORD BufferSizeW = 0;
-	DWORD RequiredSizeW;
 	BOOL ret = FALSE;
 
 	if (BufferSize >= FIELD_OFFSET(DELETED_FILE_DETAILS_A, FileName))
@@ -279,7 +278,7 @@ GetDeletedFileDetailsA(
 		}
 	}
 
-	ret = GetDeletedFileDetailsW(hDeletedFile, BufferSizeW, FileDetailsW, &RequiredSizeW);
+	ret = GetDeletedFileDetailsW(hDeletedFile, BufferSizeW, FileDetailsW, RequiredSize);
 	if (!ret)
 		goto cleanup;
 

reactos/lib/recyclebin/recyclebin_v5.c

@@ -24,6 +24,7 @@ static BOOL
 CloseHandle5(
 	IN HANDLE hDeletedFile)
 {
+	UNREFERENCED_PARAMETER(hDeletedFile);
 	/* Nothing to do, as hDeletedFile is simply a DWORD... */
 	return TRUE;
 }