perf sort: Get rid of unnecessary __maybe_unused

Some functions have set __maybe_unused on its arguments that are used
actually.  Remove them.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1356599507-14226-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/sort.c

@@ -197,7 +197,7 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 
 static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
 				     u64 ip, char level, char *bf, size_t size,
-				     unsigned int width __maybe_unused)
+				     unsigned int width)
 {
 	size_t ret = 0;
 
@@ -224,8 +224,7 @@ static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
 }
 
 static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
-				    size_t size,
-				    unsigned int width __maybe_unused)
+				    size_t size, unsigned int width)
 {
 	return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip,
 					 self->level, bf, size, width);
@@ -398,8 +397,7 @@ sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
 }
 
 static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
-					size_t size,
-					unsigned int width __maybe_unused)
+					 size_t size, unsigned int width)
 {
 	struct addr_map_symbol *from = &self->branch_info->from;
 	return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
@@ -408,8 +406,7 @@ static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
 }
 
 static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf,
-				       size_t size,
-				       unsigned int width __maybe_unused)
+				       size_t size, unsigned int width)
 {
 	struct addr_map_symbol *to = &self->branch_info->to;
 	return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,