Patch by Robert Scheck <robert@fedoraproject.org> for eggdrop >= 1.6.21 to
avoid build failures with GCC 5.x such as "eggdrop1.6.21/src/./main.c:710:
undefined reference to `garbage_collect_tclhash'" and "eggdrop1.6.21/src/
tcldcc.c:942: undefined reference to `open_listen'".

--- eggdrop1.6.21/src/net.c		2011-02-13 15:19:33.000000000 +0100
+++ eggdrop1.6.21/src/net.c.gcc5	2015-06-20 14:24:38.000000000 +0200
@@ -564,7 +564,7 @@
 /* Returns a socket number for a listening socket that will accept any
  * connection -- port # is returned in port
  */
-inline int open_listen(int *port)
+int open_listen(int *port)
 {
   return open_address_listen(myip[0] ? getmyip() : INADDR_ANY, port);
 }
--- eggdrop1.6.21/src/proto.h		2011-07-09 17:07:48.000000000 +0200
+++ eggdrop1.6.21/src/proto.h.gcc5	2015-06-20 14:25:03.000000000 +0200
@@ -271,7 +271,7 @@
 void killsock(int);
 void killtclsock(int);
 int answer(int, char *, unsigned long *, unsigned short *, int);
-inline int open_listen(int *);
+int open_listen(int *);
 int open_address_listen(IP addr, int *);
 int open_telnet(char *, int);
 int open_telnet_dcc(int, char *, char *);
--- eggdrop1.6.21/src/tclhash.c		2011-07-09 17:07:48.000000000 +0200
+++ eggdrop1.6.21/src/tclhash.c.gcc5	2015-06-20 14:41:14.000000000 +0200
@@ -109,7 +109,7 @@
   nfree(tl);
 }
 
-inline void garbage_collect_tclhash(void)
+void garbage_collect_tclhash(void)
 {
   tcl_bind_list_t *tl, *tl_next, *tl_prev;
   tcl_bind_mask_t *tm, *tm_next, *tm_prev;
--- eggdrop1.6.21/src/tclhash.h		2011-07-31 22:15:06.000000000 +0200
+++ eggdrop1.6.21/src/tclhash.h.gcc5	2015-06-20 14:41:40.000000000 +0200
@@ -75,7 +75,7 @@
 
 #ifndef MAKING_MODS
 
-inline void garbage_collect_tclhash(void);
+void garbage_collect_tclhash(void);
 
 void init_bind(void);
 void kill_bind(void);