UpgradeDLL - Set overwrite to ON after inserting

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2286 212acab6-be3b-0410-9dea-997c60f758d6

Docs/src/usefulfunc.but

@@ -416,8 +416,9 @@
 \c  ;
 \c  ; !define UPGRADEDLL_NOREGISTER if you want to upgrade a DLL which cannot be registered
 \c  ;
-\c  ; Note that this macro sets overwrite to TRY. Change it back to whatever you want after
-\c  ; you insert the macro.
+\c  ; Note that this macro sets overwrite to ON (the default) when it has been inserted.
+\c  ; If you are using another setting, set it again after inserting the macro.
+\c
 \c
 \c  !macro UpgradeDLL LOCALFILE DESTFILE
 \c
@@ -514,6 +515,12 @@
 \c
 \c    "end_${LOCALFILE}:"
 \c
+\c   ;------------------------
+\c   ;Set overwrite to default
+\c   ;(was set to TRY above)
+\c
+\c   SetOverwrite on
+\c
 \c  !macroend
 
 \H{morefuncs} More