ash: recognize embedded scripts in SH_STANDALONE mode

function                                             old     new   delta
find_script_by_name                                    -      51     +51
shellexec                                            254     271     +17
find_command                                         990    1007     +17
evalcommand                                         1653    1661      +8
doCommands                                          2233    2222     -11
run_applet_and_exit                                  128     100     -28
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 6/4 up/down: 104/-52)            Total: 52 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 4e6d1c3..92d99fb 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -964,20 +964,20 @@
 # endif /* NUM_APPLETS > 0 */
 
 # if NUM_SCRIPTS > 0
-static int
-find_script_by_name(const char *arg)
+int FAST_FUNC
+find_script_by_name(const char *name)
 {
 	const char *s = script_names;
 	int i = 0;
 
 	while (*s) {
-		if (strcmp(arg, s) == 0)
+		if (strcmp(name, s) == 0)
 			return i;
 		i++;
 		while (*s++ != '\0')
 			continue;
 	}
-	return -1;
+	return -0x10000; /* make it so that NUM_APPLETS + <error> is still < 0 */
 }
 
 static char *