[Rd] very minor typo in doc for embedFonts

[Simon Jackman]

in the "Details" section:

"It this is unset…"

should read 

"If this is unset"

> version
               _                                           
platform       x86_64-apple-darwin9.8.0                    
arch           x86_64                                      
os             darwin9.8.0                                 
system         x86_64, darwin9.8.0                         
status         Patched                                     
major          2                                           
minor          15.1                                        
year           2012                                        
month          08                                          
day            26                                          
svn rev        60438                                       
language       R                                           
version.string R version 2.15.1 Patched (2012-08-26 r60438)
nickname       Roasted Marshmallows                        
> 


— Simon Jackman

Simon Jackman, Depts of Political Science & (by courtesy) Statistics, 
Stanford University, Stanford, CA 94305-6044, USA.
http://jackman.stanford.edu
Co-Principal Investigator, American National Election Studies
cell: +1 (650) 387 3019  fax: +1 (650) 724-9095