perf annotate browser: Help for cycling thru hottest instructions with TAB/shift+TAB

The popup help accessed via 'h' wasn't mentioning about TAB and
shift-TAB, just about 'H', which goes to the hottest line, while the
former two are the hotkeys for actually cycling thru the hottest lines.

Reported-by: Flavio Bruno Leitner <fbl@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5ppym6odizfj1ifa4t7neiku@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

+2 -1
+2 -1
tools/perf/ui/browsers/annotate.c
··· 829 "q/ESC/CTRL+C Exit\n\n" 830 "ENTER Go to target\n" 831 "ESC Exit\n" 832 - "H Cycle thru hottest instructions\n" 833 "j Toggle showing jump to target arrows\n" 834 "J Toggle showing number of jump sources on targets\n" 835 "n Search next string\n"
··· 829 "q/ESC/CTRL+C Exit\n\n" 830 "ENTER Go to target\n" 831 "ESC Exit\n" 832 + "H Go to hottest instruction\n" 833 + "TAB/shift+TAB Cycle thru hottest instructions\n" 834 "j Toggle showing jump to target arrows\n" 835 "J Toggle showing number of jump sources on targets\n" 836 "n Search next string\n"