uci: change uci_ptr checking order in uci_delete()

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38251 3c298f89-4303-0410-b956-a3cf2f4a3e73
ubox: support alternative spellings for modinfo and rmmod

After this change, "rmmod" and "modinfo" works even if the user gives
the file name spelling instead of the kernel internal one, so that e.g.
"rmmod nls_iso8859-1.ko" and "rmmod nls_iso8859_1" will both succeed.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38252 3c298f89-4303-0410-b956-a3cf2f4a3e73
ubus: restrict unix domain socket permission to 0600 to disallow non-root connections

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38253 3c298f89-4303-0410-b956-a3cf2f4a3e73
rpcd: fix missing option removal when merging subsequent uci set calls

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38254 3c298f89-4303-0410-b956-a3cf2f4a3e73