[PATCH] m68knommu include fix

From: gerg@snapgear.com

Remove include of non-existant net/module.h in m68knommu architecture
specific checksum code.

arch/m68knommu/lib/checksum.c

@@ -32,7 +32,6 @@
    of the assembly has to go. */
 
 #include <net/checksum.h>
-#include <net/module.h>
 
 static inline unsigned short from32to16(unsigned long x)
 {