move old config file out of the way so it won't be mistaken for the r…

…eal one

git-svn-id: https://xpra.org/svn/Xpra/trunk@14464 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/win32/xpra.iss

@@ -127,7 +127,7 @@ end;
 
 procedure PostInstall();
 var
-  cert, config, args, cmd: string;
+  cert, config, saved_config, args, cmd: string;
   ResultCode: integer;
 begin
   cert := ExpandConstant('{commonappdata}\Xpra\ssl-cert.pem');
@@ -138,4 +138,11 @@ begin
     cmd := ExpandConstant('{app}\OpenSSL.exe');
 	Exec(cmd, args, '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
   end;
+  // move old config file:
+  config := ExpandConstant('{app}\xpra.conf');
+  saved_config := ExpandConstant('{app}\etc\xpra.conf.bak');
+  if (FileExists(config)) then
+  begin
+	RenameFile(config, saved_config);
+  end;
 end;