utils: Move "-sign" option to its own paragraph in pdfsig.1
"-sign" option was placed in the same paragraph as "-dump" option in pdfsig.1 man page.
This merge request just adds ".TP" to the line above it so that a new paragraph is created for it.
"-sign" option was placed in the same paragraph as "-dump" option in pdfsig.1 man page.
This merge request just adds ".TP" to the line above it so that a new paragraph is created for it.