perf c2c: Fix spelling mistakes in browser help text

Togle -> Toggle, lenght -> length.

Signed-off-by: Kim Phillips <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/builtin-c2c.c

···
 	struct hist_browser *browser;
 	int key = -1;
 	const char help[] =
-	" ENTER         Togle callchains (if present) \n"
-	" n             Togle Node details info \n"
-	" s             Togle full lenght of symbol and source line columns \n"
+	" ENTER         Toggle callchains (if present) \n"
+	" n             Toggle Node details info \n"
+	" s             Toggle full length of symbol and source line columns \n"
 	" q             Return back to cacheline list \n";
 
 	/* Display compact version first. */
···
 	int key = -1;
 	const char help[] =
 	" d             Display cacheline details \n"
-	" ENTER         Togle callchains (if present) \n"
+	" ENTER         Toggle callchains (if present) \n"
 	" q             Quit \n";
 
 	browser = perf_c2c_browser__new(hists);