dropbear: set DEFAULT_PATH for non-interactive logins

Set PATH in non-interactive logins to include /sbin paths,
so to be consistent with what is currently set in /etc/profile
for interactive shells.

[jow: reapply with current patch level, fix inner patch, refresh]

Signed-off-by: Gui Iribarren <gui@altermundi.net>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32620 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/dropbear/patches/500-set-default-path.patch

@@ -0,0 +1,11 @@
+--- a/options.h
++++ b/options.h
+@@ -297,7 +297,7 @@ be overridden at runtime with -I. 0 disa
+ #define DEFAULT_IDLE_TIMEOUT 0
+ 
+ /* The default path. This will often get replaced by the shell */
+-#define DEFAULT_PATH "/usr/bin:/bin"
++#define DEFAULT_PATH "/bin:/sbin:/usr/bin:/usr/sbin"
+ 
+ /* Some other defines (that mostly should be left alone) are defined
+  * in sysoptions.h */