Fix path for custom-strings.txt

packages/thunderbird-config.xml

@@ -8,7 +8,7 @@
 
         <depends package-id="thunderbird" />
 
-        <variable name='PKG_VERSION' value='7' />
+        <variable name='PKG_VERSION' value='8' />
         <variable architecture='x86' name='PROG' value='%PROGRAMFILES%\Mozilla Thunderbird' />
         <variable architecture='x64' name='PROG' value='%PROGRAMFILES(x86)%\Mozilla Thunderbird' />
         <variable architecture='x86' name='REG_PATH' value='HKLM\Software\Mozilla\Thunderbird' />
@@ -21,7 +21,7 @@
 
         <install cmd='%COMSPEC% /C copy /Y "%SOFTWARE%\thunderbird\autoconf.js" "%PROG%\defaults\pref\"' />
         <install cmd='%COMSPEC% /C copy /Y "%SETTINGS%\thunderbird\thunderbird.cfg" "%PROG%\"' />
-        <install cmd='%COMSPEC% /C copy /Y "%SETTINGS%\thunderbird\custom-strings.txt" "%PROG%\chrome\"' />
+        <install cmd='%COMSPEC% /C copy /Y "%SOFTWARE%\thunderbird\custom-strings.txt" "%PROG%\chrome\"' />
         <install cmd='%COMSPEC% /C reg add "%REG_PATH%" /v "ConfigRevision" /t REG_SZ /d "%PKG_VERSION%" /f' />
 
         <upgrade include="install" />