Related fdo#60338: do not call umask(3) in a MT program

...and it is unclear what this call was supposed to help for; if a user
deliberately sets its umask too strong, then better live with the consequences
than to silently "fix" it.

Change-Id: I0d84a7d1bd6f007794a65e1f7cc4ea09ebd9d4af

extensions/source/nsplugin/source/npshell.cxx

@@ -772,7 +772,6 @@ NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname)
                 return;
         }
         remove(localPathNew);
-        umask(0);
         if  (0 > (fdDst = open(localPathNew, O_WRONLY|O_CREAT,
                         S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH))){
             close( fdSrc);