Windows: Add MSVC defines for inline and restrict keywords.
diff --git a/src/common/sysdefs.h b/src/common/sysdefs.h
index 5ea6bda..e056ca4 100644
--- a/src/common/sysdefs.h
+++ b/src/common/sysdefs.h
@@ -165,6 +165,16 @@
# include <memory.h>
#endif
+// As of MSVC 2013, inline and restrict are supported with
+// non-standard keywords.
+#if defined(_WIN32) && defined(_MSC_VER)
+# ifndef inline
+# define inline __inline
+# endif
+# ifndef restrict
+# define restrict __restrict
+# endif
+#endif
////////////
// Macros //
