net: mark read-only arrays as const

String literals are constant, and usually, we can also tag the array
of pointers const too, moving it to the .rodata section.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index 33a05d3..e7a6885 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -472,7 +472,7 @@
 	[IP_VS_UDP_S_LAST]		=	2*HZ,
 };
 
-static char * udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
+static const char *const udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
 	[IP_VS_UDP_S_NORMAL]		=	"UDP",
 	[IP_VS_UDP_S_LAST]		=	"BUG!",
 };