hush: do not process options after non-option args

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/hush.c

@@ -6461,7 +6461,7 @@ int hush_main(int argc, char **argv)
 	/* http://www.opengroup.org/onlinepubs/9699919799/utilities/sh.html */
 	builtin_argc = 0;
 	while (1) {
-		opt = getopt(argc, argv, "c:xins"
+		opt = getopt(argc, argv, "+c:xins"
 #if !BB_MMU
 				"<:$:R:V:"
 # if ENABLE_HUSH_FUNCTIONS

shell/hush_test/hush-misc/opts1.right

@@ -0,0 +1,2 @@
+Param1: >-10qwertyuiop<
+Done

shell/hush_test/hush-misc/opts1.tests

@@ -0,0 +1,5 @@
+if test $# = 0; then
+    exec "$THIS_SH" $0 -10qwertyuiop
+fi
+echo "Param1: >$1<"
+echo Done