perf ui: Rename ui__warning_paranoid to ui__error_paranoid

As it will exit the tool after the user is notified.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-vy06m8xzlvkhr8tk7nylhbng@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/debug.c

@@ -57,9 +57,9 @@ void ui__warning(const char *format, ...)
 }
 #endif
 
-void ui__warning_paranoid(void)
+void ui__error_paranoid(void)
 {
-	ui__warning("Permission error - are you root?\n"
+	ui__error("Permission error - are you root?\n"
 		    "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n"
 		    " -1 - Not paranoid at all\n"
 		    "  0 - Disallow raw tracepoint access for unpriv\n"