clang-cl loplugin: idlc

Change-Id: Idcd117aa896779bb5ebdfa33c24d5e374dd943cf
Reviewed-on: https://gerrit.libreoffice.org/29861Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>

idlc/source/idlcproduce.cxx

@@ -71,7 +71,7 @@ static bool checkOutputPath(const OString& completeName)
 #if defined(SAL_UNX)
             if (mkdir(buffer.getStr(), 0777) == -1)
 #else
-            if (mkdir((char*)buffer.getStr()) == -1)
+            if (mkdir(buffer.getStr()) == -1)
 #endif
             {
                 if (errno == ENOENT)