UpgradeDLL: rundll32l not always in $SYSDIR

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3491 212acab6-be3b-0410-9dea-997c60f758d6

Docs/src/usefulfunc.but

@@ -532,7 +532,7 @@ There is also a copy of this macro in the Include folder, so you only have to in
 \c
 \c   !ifndef UPGRADEDLL_NOREGISTER
 \c     WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\RunOnce" \
-\c       "Register $R4" '"$SYSDIR\rundll32.exe" "$R4",DllRegisterServer'
+\c       "Register $R4" 'rundll32.exe "$R4",DllRegisterServer'
 \c   !endif
 \c
 \c   Goto upgradedll.done_${UPGRADEDLL_UNIQUE}

Include/UpgradeDLL.nsh

@@ -89,7 +89,7 @@
 
   !ifndef UPGRADEDLL_NOREGISTER
     WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\RunOnce" \
-      "Register $R4" '"$SYSDIR\rundll32.exe" "$R4",DllRegisterServer'
+      "Register $R4" 'rundll32.exe "$R4",DllRegisterServer'
   !endif
 
   Goto upgradedll.done_${UPGRADEDLL_UNIQUE}