libbb: rename bb_ask -> bb_ask_noecho, bb_ask_confirmation -> bb_ask_y_confirmation

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index 82f9842..8b201c0 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -422,7 +422,7 @@
 {
 	fprintf(stderr, "Continue? [y/N] ");
 	fflush_all();
-	if (!bb_ask_confirmation())
+	if (!bb_ask_y_confirmation())
 		bb_error_msg_and_die("aborting");
 }