SF patch #1670209, Remove Py_PROTO from socket by Pete Shinners.
diff --git a/Modules/getnameinfo.c b/Modules/getnameinfo.c
index d3c0ac5..0190a32 100644
--- a/Modules/getnameinfo.c
+++ b/Modules/getnameinfo.c
@@ -82,8 +82,8 @@
 #define ENI_SALEN	6
 
 /* forward declaration to make gcc happy */
-int getnameinfo Py_PROTO((const struct sockaddr *, size_t, char *, size_t,
-			  char *, size_t, int));
+int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
+			  char *, size_t, int);
 
 int
 getnameinfo(sa, salen, host, hostlen, serv, servlen, flags)