Fix for 32 bit qemu renamed to qemu-system-i386 (RHBZ#857026).
    
    The difference in the output of virsh capabilities (non-root)
    before and after is:
    
     <capabilities>
    
       <host>
    -    <uuid>9ecd5b8f-4b44-5dae-f4c6-4b9cf108e47a</uuid>
    +    <uuid>4cae6f0f-dd64-8d9a-bc36-b3f2e62844cf</uuid>
         <cpu>
           <arch>i686</arch>
           <model>Westmere</model>
    @@ -34,7 +34,7 @@
         <os_type>hvm</os_type>
         <arch name='i686'>
           <wordsize>32</wordsize>
    -      <emulator>/bin/qemu-system-x86_64</emulator>
    +      <emulator>/bin/qemu-system-i386</emulator>
           <machine>pc-1.2</machine>
           <machine>none</machine>
           <machine canonical='pc-1.2'>pc</machine>