Fix compilation in MSVC (x64).

library.h

@@ -11,6 +11,9 @@
 #define AARU_CALL __stdcall
 #define AARU_EXPORT EXTERNC __declspec(dllexport)
 #define AARU_LOCAL
+#ifndef PATH_MAX
+#define PATH_MAX _MAX_PATH
+#endif
 #else
 #define AARU_CALL
 #if defined(__APPLE__)

simd.h

@@ -9,6 +9,7 @@
 
 #ifdef _MSC_VER
 #define AVX2
+#define SSSE3
 #define CLMUL
 #else
 #define AVX2 __attribute__((target("avx2")))