perf annotate: Stop using map->groups, use map_symbol->mg instead

These were the last uses of map->groups, next cset will nuke it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-n3g0foos7l7uxq9nar0zo0vj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/ui/browsers/annotate.c

@@ -430,6 +430,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
 		return true;
 	}
 
+	target_ms.mg  = ms->mg;
 	target_ms.map = ms->map;
 	target_ms.sym = dl->ops.target.sym;
 	pthread_mutex_unlock(&notes->lock);