Rename two config options:
FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
diff --git a/shell/lash.c b/shell/lash.c
index f9d9deb..99e2b1f 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -1164,7 +1164,7 @@
 	 * /bin/foo invocation will fork and exec /bin/foo, even if
 	 * /bin/foo is a symlink to busybox.
 	 */
-	if (ENABLE_FEATURE_SH_STANDALONE_SHELL) {
+	if (ENABLE_FEATURE_SH_STANDALONE) {
 		char **argv_l = child->argv;
 		int argc_l;