[NET]: Revert socket.h/stat.h ifdef hacks.

This reverts 57a87bb0720a5cf7a9ece49a8c8ed288398fd1bb.

As H. Peter Anvin states, this change broke klibc and it's
not very easy to fix things up without duplicating everything
into userspace.

In the longer term we should have a better solution to this
problem, but for now let's unbreak things.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 28157a3..fcd35a2 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -16,7 +16,7 @@
 				/* _SS_MAXSIZE value minus size of ss_family */
 } __attribute__ ((aligned(_K_SS_ALIGNSIZE)));	/* force desired alignment */
 
-#ifdef __KERNEL__
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
 
 #include <asm/socket.h>			/* arch-dependent defines	*/
 #include <linux/sockios.h>		/* the SIOCxxx I/O controls	*/