fix kernel header breakage, which caused a compile error in igmpproxy on big-endian targets

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12143 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/generic-2.6/patches-2.6.26/906-pim_h_compile_fix.patch

+--- a/include/linux/pim.h
++++ b/include/linux/pim.h
+@@ -9,7 +9,7 @@
+ 	__u8	pim_type:4,		/* PIM message type */
+ 		pim_ver:4;		/* PIM version */
+ #elif defined(__BIG_ENDIAN_BITFIELD)
+-	__u8	pim_ver:4;		/* PIM version */
++	__u8	pim_ver:4,		/* PIM version */
+ 		pim_type:4;		/* PIM message type */
+ #endif
+ 	__u8	pim_rsv;		/* Reserved */