Enable plugin nppdf.so in firefox?

[Kevin G. Eliuk]

cblasius wrote:
> Hello!
>
> I've a problem with plugin to view PDF file in firefox. Could someone 
> help me?
>
> Wehen I run firefox from command line I obtain this message:
>
> LoadPlugin: failed to initialize shared library 
> /usr/X11R6/Adobe/Acrobat7.0/ENU/Browser/intellinux/nppdf.so 
> [/usr/X11R6/Adobe/Acrobat7.0/ENU/Browser/intellinux/nppdf.so: 
> Undefined symbol "XtCalloc"]
Verify the symbolic link for
/usr/X11R6/lib/browser_plugins/nppdf.so

it should be
-> /usr/X11R6/Adobe/Acrobat7.0/ENU/Browser/intellinux/nppdf.so