MSVC CMake build failed on v1.5.6

**Describe the bug**
CMake build with ninja on MSVC 2022 (vs17) failed with error:
`C:\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc(4): fatal error C1083: Cannot open include file: 'zstd.h': No such file or directory`

**To Reproduce**
Steps to reproduce the behavior:
1. `git checkout v1.5.6`
2. `cmake -G "Ninja" -DCMAKE_INSTALL_PREFIX=C:\sdk\release\vs17_x64-avx2 -DCMAKE_BUILD_TYPE=RelWithDebInfo -DZSTD_LEGACY_SUPPORT=ON -DZSTD_MULTITHREAD_SUPPORT=ON -DZSTD_BUILD_PROGRAMS=OFF -DZSTD_BUILD_CONTRIB=OFF -DZSTD_BUILD_TESTS=OFF -DZSTD_USE_STATIC_RUNTIME=OFF -DZSTD_PROGRAMS_LINK_SHARED=OFF -DZSTD_BUILD_STATIC=OFF -DZSTD_BUILD_SHARED=ON -DBUILD_SHARED_LIBS=ON C:\sdk\src\zstd\build\cmake`
3. `ninja.exe -v install`
4. See error:
```
[26/39] Building RC object lib\CMakeFiles\libzstd_shared.dir\C_\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc.res
FAILED: lib/CMakeFiles/libzstd_shared.dir/C_/sdk/src/zstd/build/VS2010/libzstd-dll/libzstd-dll.rc.res
C:/sdk/softs/cmake/bin/cmcldeps.exe RC C:\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc lib\CMakeFiles\libzstd_shared.dir\C_\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc.res.d lib\CMakeFiles\libzstd_shared.dir\C_\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc.res "Note: including file: " "C:/sdk/softs/vs22/Community/VC/Tools/MSVC/14.40.33617/bin/Hostx64/x64/cl.exe" C:\WINDOW~1\10\bin\100226~1.0\x64\rc.exe -DXXH_NAMESPACE=ZSTD_ -DZSTD_DLL_EXPORT=1 -DZSTD_HEAPMODE=0 -DZSTD_LEGACY_SUPPORT=5 -DZSTD_MULTITHREAD -D_CONSOLE -D_CRT_SECURE_NO_WARNINGS -Dlibzstd_shared_EXPORTS -I C:\sdk\build\vs17_x64-avx2\zstd\lib -I C:\sdk\src\zstd\build\cmake\lib -DWIN32 -nologo -DZSTD_DISABLE_ASM /fo lib\CMakeFiles\libzstd_shared.dir\C_\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc.res C:\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc
C:\sdk\src\zstd\build\VS2010\libzstd-dll\libzstd-dll.rc(4): fatal error C1083: Cannot open include file: 'zstd.h': No such file or directory
```

**Expected behavior**
Build success

**Desktop (please complete the following information):**
- OS: Windows
- Version 11 23H2 22631.3374
- Compiler MSVC 19.40.33617.1
- Flags `-DXXH_NAMESPACE=ZSTD_ -DZSTD_DLL_EXPORT=1 -DZSTD_HEAPMODE=0 -DZSTD_LEGACY_SUPPORT=5 -DZSTD_MULTITHREAD -D_CONSOLE -D_CRT_SECURE_NO_WARNINGS -Dlibzstd_shared_EXPORTS -IC:\sdk\build\vs17_x64-avx2\zstd\lib -IC:\sdk\src\zstd\build\cmake\lib /DWIN32 /D_WINDOWS /w /D_UNICODE /DUNICODE /MD /Zi /Gw /Gy /Zc:inline /O2 /Zf /Zi /FS /GL /MP16 /arch:AVX2 /w /DNDEBUG -DZSTD_DISABLE_ASM /showIncludes`
- Other relevant hardware specs `AVX2`
- Build system CMake / ninja

**Additional context**
This patch fix the issue
```diff
diff --git a/build/VS2010/libzstd-dll/libzstd-dll.rc b/build/VS2010/libzstd-dll/libzstd-dll.rc
index 13e8746f..7099ddec 100644
--- a/build/VS2010/libzstd-dll/libzstd-dll.rc
+++ b/build/VS2010/libzstd-dll/libzstd-dll.rc
@@ -1,7 +1,7 @@
// Microsoft Visual C++ generated resource script.
//

-#include "zstd.h" /* ZSTD_VERSION_STRING */
+#include "../../../lib/zstd.h" /* ZSTD_VERSION_STRING */
#define APSTUDIO_READONLY_SYMBOLS
#include "verrsrc.h"
#undef APSTUDIO_READONLY_SYMBOLS

```