libretro-np2kai: Fix build on NetBSD (also it does more than build,

I tested Touhou.)

libretro-np2kai/distinfo

@@ -4,3 +4,4 @@ SHA1 (libretro-np2kai-0.14.tar.gz) = c95b625a5575eae5f2d87c8b7617a24ec07965b4
 RMD160 (libretro-np2kai-0.14.tar.gz) = f604aaa6da44ec16af3dd93a983f573cbe1d3e91
 SHA512 (libretro-np2kai-0.14.tar.gz) = cb15ebbe07ea483be48b3725663f05d0084d6661ae08b7669329d3511fe2a30a115532166716393594b5916d9e84323ca2a42bc098cacc350b9428d2795a6273
 Size (libretro-np2kai-0.14.tar.gz) = 1932048 bytes
+SHA1 (patch-sound_mame_driver.h) = e4ccfe7482bae5fba2d911e355578a6779af7242

libretro-np2kai/patches/patch-sound_mame_driver.h

@@ -0,0 +1,25 @@
+$NetBSD$
+
+Fix build on NetBSD (symbol collisions...)
+
+--- sound/mame/driver.h.orig	2017-10-21 10:00:34.000000000 +0000
++++ sound/mame/driver.h
+@@ -8,17 +8,7 @@
+ #define HAS_Y8950  1
+ #define HAS_YMF262 1
+ 
+-#if defined(_MSC_VER)
+-#pragma warning(disable: 4244)
+-#pragma warning(disable: 4245)
+-#define INLINE __inline static
+-#elif defined(__BORLANDC__)
+-#define INLINE __inline
+-#elif defined(__GNUC__)
+-#define INLINE __inline__
+-#else
+-#define INLINE static
+-#endif
++#define INLINE static inline
+ 
+ #define logerror(x,y,z)
+ //typedef signed int stream_sample_t;