lineedit: FEATURE_REVERSE_SEARCH should not depend on SAVEHISTORY

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/Config.src b/libbb/Config.src
index b02ea14..6ba2562 100644
--- a/libbb/Config.src
+++ b/libbb/Config.src
@@ -114,7 +114,7 @@
 config FEATURE_REVERSE_SEARCH
 	bool "Reverse history search"
 	default y
-	depends on FEATURE_EDITING_SAVEHISTORY
+	depends on FEATURE_EDITING
 	help
 	  Enable readline-like Ctrl-R combination for reverse history search.
 	  Increases code by about 0.5k.