eal/windows: add definition of ETOOMANYREFS

The ETOOMANYREFS errno was missing from the Windows build.
It is used in initialization of flow error structures.

It is defined with the same error code used by WSAETOOMANYREFS.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>

lib/librte_eal/windows/include/rte_os.h

@@ -51,6 +51,8 @@ extern "C" {
 /* as in <windows.h> */
 typedef long long ssize_t;
 
+#define ETOOMANYREFS 10059 /* WSAETOOMANYREFS */
+
 #ifndef RTE_TOOLCHAIN_GCC
 
 static inline int