[Pidgin] #13879: Add gcc and linker hardening options to configure.ac

[Pidgin]

#13879: Add gcc and linker hardening options to configure.ac
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 Reporter:  ioerror                 |        Owner:  rekkanoryo  
     Type:  patch                   |       Status:  new         
Milestone:  Patches Needing Review  |    Component:  unclassified
  Version:  2.7.11                  |   Resolution:              
 Keywords:  security                |  
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Comment(by ioerror):

 It appears that Pidgin has added some of these options since I started. It
 should be pretty easy to compare my suggestions with the current list.
 Just add the differences, I think.

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Ticket URL: <http://developer.pidgin.im/ticket/13879#comment:10>
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