build: fix build on msvc11

Makefile.inc

@@ -53,6 +53,7 @@ HHEADERS = ares.h			\
   ares_data.h				\
   ares_dns.h				\
   ares_getenv.h				\
+  ares_inet_net_pton.h		\
   ares_iphlpapi.h			\
   ares_ipv6.h				\
   ares_library_init.h			\
@@ -66,8 +67,6 @@ HHEADERS = ares.h			\
   ares_version.h			\
   ares_writev.h				\
   bitncmp.h				\
-  inet_net_pton.h			\
-  inet_ntop.h				\
   nameser.h				\
   ares_setup.h				\
   setup_once.h

Makefile.msvc

@@ -123,6 +123,8 @@ CC_VERS_NUM = 110
 CC_VERS_NUM = 110
 !ELSEIF "$(_NMAKE_VER)" == "11.00.51106.1"
 CC_VERS_NUM = 110
+!ELSEIF "$(_NMAKE_VER)" == "11.00.60315.1"
+CC_VERS_NUM = 110
 !ELSE
 !  MESSAGE Unknown value for _NMAKE_VER macro: "$(_NMAKE_VER)"
 !  MESSAGE Please, report this condition on the c-ares development