Fix reg add command and do not fail if reg delete fails

packages/gajim.xml

@@ -16,7 +16,7 @@
 
         <install include='remove' />
         <install cmd='%SOFTWARE%\gajim\%SETUP% /S' />
-        <install cmd='%COMSPEC% /C reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v Gajim /t REG_SZ /d "%COMSPEC% /C start /D"%INSTALL_PATH%\bin" gajim.exe"' />
+        <install cmd='%COMSPEC% /C reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v Gajim /t REG_SZ /d "%COMSPEC% /C start /D\"%INSTALL_PATH%\bin\" gajim.exe"' />
         <!-- XP -->
         <install cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Bureau\Gajim.lnk"'>
             <exit code="any" />
@@ -35,6 +35,8 @@
             <exit code="128" />
         </remove>
         <remove cmd='%COMSPEC% /C if exist "%INSTALL_PATH%\Uninstall.exe" "%INSTALL_PATH%\Uninstall.exe" /S _?=%INSTALL_PATH%' />
-        <remove cmd='%COMSPEC% /C reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gajim" /f' />
+        <remove cmd='%COMSPEC% /C reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gajim" /f'>
+            <exit code="any" />
+        </remove>
     </package>
 </packages>