Create cert dir before installation

packages/fusioninventory.xml

@@ -2,7 +2,7 @@
 <packages>
     <package id="fusioninventory"
              name="Agent d'inventaire reseau"
-             revision="18.5"
+             revision="18.6"
              priority="10">
 
         <variable name="PKG_VERSION" value="2.3.0-1" />
@@ -11,6 +11,7 @@
  
 	<check type="uninstall" condition="versiongreaterorequal" path="FusionInventory Agent %PKG_VERSION%.*" value="%PKG_VERSION%" />
 
+        <install cmd='%COMSPEC% /C if not exist "%INSTALL_PATH%\certs\" mkdir "%INSTALL_PATH%\certs\"' />
         <install cmd='%COMSPEC% /C copy /Y "%SETTINGS%\fusioninventory\cacert.pem" "%INSTALL_PATH%\certs\cacert.pem"' />
         <install architecture="x86" cmd='%SOFTWARE%\fusioninventory\fusioninventory-agent_windows-x86_%PKG_VERSION%.exe %INSTALL_FLAGS%' />
         <install architecture="x64" cmd='%SOFTWARE%\fusioninventory\fusioninventory-agent_windows-x64_%PKG_VERSION%.exe %INSTALL_FLAGS%' />