nvenc: Fix build error with x86 msvc
__stdcall is accepted or ignored by the compiler on x64 but x86 is not the case. So the function definition should be consistent with declaration.
Fixes: #1039 (closed)
__stdcall is accepted or ignored by the compiler on x64 but x86 is not the case. So the function definition should be consistent with declaration.
Fixes: #1039 (closed)