[SQM/luci-app-sqm] Fix SQM GUI help messages.

Make clear that configuration options guarded by checkboxes are only
effective as long as those boxes are checked.

The sqm gui has giarded some advanced configuration options behind exposing
checkboxes, meaning these optiopn's values were only used as long
as those boxes were checked. This commit just improves the description of
the checkboxes to included this useage instruction...

Signed-off-by: Sebastian Moeller <moeller0@gmx.de>

net/luci-app-sqm/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-sqm
 PKG_VERSION:=3
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 PKG_LICENSE:=GPLv2
 LUCI_DIR:=/usr/lib/lua/luci
 

net/luci-app-sqm/files/sqm-cbi.lua

@@ -110,7 +110,7 @@ sc.default = "simple.qos"
 sc.rmempty = false
 sc.description = qos_desc
 
-ad = s:taboption("tab_qdisc", Flag, "qdisc_advanced", translate("Show and Use Advanced Configuration"))
+ad = s:taboption("tab_qdisc", Flag, "qdisc_advanced", translate("Show and Use Advanced Configuration. Advanced options will only be used as long as this box is checked."))
 ad.default = false
 ad.rmempty = true
 
@@ -142,7 +142,7 @@ eecn.default = "NOECN"
 eecn.rmempty = true
 eecn:depends("qdisc_advanced", "1")
 
-ad2 = s:taboption("tab_qdisc", Flag, "qdisc_really_really_advanced", translate("Show and Use Dangerous Configuration"))
+ad2 = s:taboption("tab_qdisc", Flag, "qdisc_really_really_advanced", translate("Show and Use Dangerous Configuration. Dangerous options will only be used as long as this box is checked."))
 ad2.default = false
 ad2.rmempty = true
 ad2:depends("qdisc_advanced", "1")
@@ -199,7 +199,7 @@ po:depends("linklayer", "ethernet")
 po:depends("linklayer", "atm")
 
 
-adll = s:taboption("tab_linklayer", Flag, "linklayer_advanced", translate("Show Advanced Linklayer Options, (only needed if MTU > 1500)"))
+adll = s:taboption("tab_linklayer", Flag, "linklayer_advanced", translate("Show Advanced Linklayer Options, (only needed if MTU > 1500). Advanced options will only be used as long as this box is checked."))
 adll.rmempty = true
 adll:depends("linklayer", "ethernet")
 -- adll:depends("linklayer", "adsl")