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https://src.fedoraproject.org/rpms/libnids/raw/rawhide/f/libnids-1.24-inline.patch
https://bugs.gentoo.org/818517

Patch by Robert Scheck <robert@fedoraproject.org> for libnids <= 1.24 which
avoids making the functions ip_fast_csum, ip_compute_csum, my_tcp_check and
my_udp_check inline, see https://github.com/aol/moloch/issues/440 as well.

--- a/src/checksum.c
+++ b/src/checksum.c
@@ -120,7 +120,7 @@
   By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by Arnt
   Gulbrandsen.
 */
-inline u_short ip_fast_csum(u_char * iph, u_int ihl)
+u_short ip_fast_csum(u_char * iph, u_int ihl)
 {
   u_int sum;
   if (dontchksum(((struct ip*)iph)->ip_src.s_addr))
@@ -191,13 +191,13 @@
   this routine is used for miscellaneous IP-like checksums, mainly in
   icmp.c
 */
-inline u_short
+u_short
 ip_compute_csum(u_char * buff, int len)
 {
   return (csum_fold(csum_partial(buff, len, 0)));
 }
 
-inline u_short
+u_short
 my_tcp_check(struct tcphdr *th, int len, u_int saddr, u_int daddr)
 {
   if (dontchksum(saddr))
@@ -205,7 +205,7 @@
   return csum_tcpudp_magic(saddr, daddr, len, IPPROTO_TCP,
 			   csum_partial((u_char *)th, len, 0));
 }
-inline u_short
+u_short
 my_udp_check(void *u, int len, u_int saddr, u_int daddr)
 {
   if (dontchksum(saddr))