net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

These files are non modular, but need to export symbols using
the macros now living in export.h -- call out the include so
that things won't break when we remove the implicit presence
of module.h from everywhere.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

net/dccp/ackvec.c

@@ -12,6 +12,7 @@
 #include "dccp.h"
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 
 static struct kmem_cache *dccp_ackvec_slab;
 static struct kmem_cache *dccp_ackvec_record_slab;

net/dccp/timer.c

@@ -12,6 +12,7 @@
 
 #include <linux/dccp.h>
 #include <linux/skbuff.h>
+#include <linux/export.h>
 
 #include "dccp.h"