Various gcc-5 fixes

https://gcc.gnu.org/gcc-5/porting_to.html

Signed-off-by: Markos Chandras <hwoarang@gentoo.org>
Index: ushare-1.1a/src/trace.h
===================================================================
--- ushare-1.1a.orig/src/trace.h
+++ ushare-1.1a/src/trace.h
@@ -29,7 +29,7 @@ typedef enum {
 
 void print_log (log_level level, const char *format, ...)
   __attribute__ ((format (printf, 2, 3)));
-inline void start_log (void);
+extern inline void start_log (void);
 
 /* log_info
  * Normal print, to replace printf
Index: ushare-1.1a/src/ushare.h
===================================================================
--- ushare-1.1a.orig/src/ushare.h
+++ ushare-1.1a/src/ushare.h
@@ -127,6 +127,6 @@ struct action_event_t {
   struct service_t *service;
 };
 
-inline void display_headers (void);
+extern inline void display_headers (void);
 
 #endif /* _USHARE_H_ */
Index: ushare-1.1a/src/ushare.c
===================================================================
--- ushare-1.1a.orig/src/ushare.c
+++ ushare-1.1a/src/ushare.c
@@ -49,6 +49,10 @@
 #include <ifaddrs.h>
 #endif
 
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+
 #if (defined(__unix__) || defined(unix)) && !defined(USG)
 #include <sys/param.h>
 #endif