Fix CUdeviceptr definition for ARM64 CPU

When building VLC for UWP ARM64 with aarch64-w64-mingw32 from the llvm-mingw toolchain,
this patch fixes the error: incompatible pointer types passing 'CUdeviceptr *' (aka 'unsigned int *')
to parameter of type 'unsigned long long *' [-Werror,-Wincompatible-pointer-types]

include/ffnvcodec/dynlink_cuda.h

@@ -41,7 +41,7 @@
 #define CU_CTX_SCHED_BLOCKING_SYNC 4
 
 typedef int CUdevice;
-#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) || defined(__LP64__)
+#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) || defined(__LP64__) || defined(__aarch64__)
 typedef unsigned long long CUdeviceptr;
 #else
 typedef unsigned int CUdeviceptr;