Fix build errors for PAL and GSL

The last commit to replace the cl_* types with standard types
failed to correct issues introduced in the PAL and GPU backend.

Change-Id: I926997234dfbe346fc165a7bc4e1b8aabab7bac5


[ROCm/clr commit: b81816f482]

projects/clr/rocclr/device/pal/palconstbuf.cpp

@@ -72,7 +72,7 @@ bool ManagedBuffer::create(Resource::MemoryType type) {
 // ================================================================================================
 address ManagedBuffer::reserve(uint32_t size, uint64_t* gpu_address) {
   // Align to the maximum data size available in OpenCL
-  static constexpr uint32_t MemAlignment = sizeof(double16);
+  static constexpr uint32_t MemAlignment = sizeof(double[16]);
 
   // Align reserve size on the vector's boundary
   uint32_t count = amd::alignUp(size, MemAlignment);