kernel32: Make CopyFile(Ex)() succeed even if the source file is delete-locked.

dlls/kernel32/path.c

@@ -957,7 +957,8 @@ BOOL WINAPI CopyFileExW(LPCWSTR source, LPCWSTR dest,
 
     TRACE("%s -> %s, %x\n", debugstr_w(source), debugstr_w(dest), flags);
 
-    if ((h1 = CreateFileW(source, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
+    if ((h1 = CreateFileW(source, GENERIC_READ,
+                     FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                      NULL, OPEN_EXISTING, 0, 0)) == INVALID_HANDLE_VALUE)
     {
         WARN("Unable to open source %s\n", debugstr_w(source));

dlls/kernel32/tests/file.c

@@ -652,11 +652,11 @@ static void test_CopyFileA(void)
         "copying from an r+w opened and r shared file failed (ret=%d, err=%d)\n", retok, GetLastError());
     CloseHandle(hfile);
 
-    /* copying from a delete-locked source is unreliable */
+    /* copying from a delete-locked source mostly succeeds */
     hfile = CreateFileA(source, DELETE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
     ok(hfile != INVALID_HANDLE_VALUE, "failed to open source file, error %d\n", GetLastError());
     retok = CopyFileA(source, dest, FALSE);
-    ok((!retok && GetLastError() == ERROR_SHARING_VIOLATION) || broken(retok) /* 98, Vista, 2k8, 7 */,
+    ok(retok || broken(!retok && GetLastError() == ERROR_SHARING_VIOLATION) /* NT, 2000, XP */,
         "copying from a delete-locked file failed (ret=%d, err=%d)\n", retok, GetLastError());
     CloseHandle(hfile);