perf annotate: Move disassembler_style global to annotation_options

Continuing to group annotation specific stuff into a struct.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-p3cdhltj58jt0byjzg3g7obx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/annotate.h

@@ -80,6 +80,7 @@ struct annotation_options {
 	int  min_pcnt;
 	int  max_lines;
 	int  context;
+	const char *disassembler_style;
 };
 
 enum {
@@ -368,8 +369,6 @@ static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
 }
 #endif
 
-extern const char	*disassembler_style;
-
 void annotation_config__init(void);
 
 #endif	/* __PERF_ANNOTATE_H */