inttypes.h is built-in header file since MSVC 2013 The reason is that the types defined in libgit2's inttypes.h collide with system inttypes.h 3rd party library header files may directly reference MSVC's built-in inttypes.h Fixes #3476
diff --git a/include/git2/common.h b/include/git2/common.h
index 7482263..5779061 100644
--- a/include/git2/common.h
+++ b/include/git2/common.h
@@ -20,7 +20,7 @@
# define GIT_END_DECL /* empty */
#endif
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && _MSC_VER < 1800
GIT_BEGIN_DECL
# include "inttypes.h"
GIT_END_DECL