perf buildid: Move prototypes from util.h to build-id.h

Where they belong.

Link: http://lkml.kernel.org/n/tip-94m3dziejxgo7k0488q3mqjm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/sdt.c

@@ -1,7 +1,6 @@
 #include <errno.h>
 #include <stdio.h>
 #include <sys/epoll.h>
-#include <util/util.h>
 #include <util/evlist.h>
 #include <linux/filter.h>
 #include "tests.h"

tools/perf/util/build-id.h

@@ -44,6 +44,10 @@ bool build_id_cache__cached(const char *sbuild_id);
 int build_id_cache__add_s(const char *sbuild_id,
 			  const char *name, bool is_kallsyms, bool is_vdso);
 int build_id_cache__remove_s(const char *sbuild_id);
+
+extern char buildid_dir[];
+
+void set_buildid_dir(const char *dir);
 void disable_buildid_cache(void);
 
 #endif

tools/perf/util/util.h

@@ -14,8 +14,6 @@
 #include <stdarg.h>
 #include <linux/types.h>
 
-extern char buildid_dir[];
-
 #ifdef __GNUC__
 #define NORETURN __attribute__((__noreturn__))
 #else
@@ -36,7 +34,6 @@ void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
 void set_warning_routine(void (*routine)(const char *err, va_list params));
 
 int prefixcmp(const char *str, const char *prefix);
-void set_buildid_dir(const char *dir);
 
 static inline void *zalloc(size_t size)
 {