master does not compile

[Luis Pabon <lpabon@redhat.com>]

I hit this issue just now (Fedora 20).  Please confirm that this happens 
in other systems.  Travis may be able to at least help do sanity tests.

- Luis

   CXX      librados/librados_la-RadosClient.lo
erasure-code/jerasure/ErasureCodePluginJerasure.cc: In function 'int 
__erasure_code_init(char*)':
erasure-code/jerasure/ErasureCodePluginJerasure.cc:78:43: error: 
'galois_init_default_field' was not declared in this scope
      int r = galois_init_default_field(w[i]);
                                            ^
erasure-code/jerasure/ErasureCodePluginJerasure.cc: In function 'int 
__erasure_code_init(char*)':
erasure-code/jerasure/ErasureCodePluginJerasure.cc:78:43: error: 
'galois_init_default_field' was not declared in this scope
      int r = galois_init_default_field(w[i]);
                                            ^
make[3]: *** 
[erasure-code/jerasure/libec_jerasure_generic_la-ErasureCodePluginJerasure.lo] 
Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: *** 
[erasure-code/jerasure/libec_jerasure_sse3_la-ErasureCodePluginJerasure.lo] 
Error 1
erasure-code/jerasure/ErasureCodePluginJerasure.cc: In function 'int 
__erasure_code_init(char*)':
erasure-code/jerasure/ErasureCodePluginJerasure.cc:78:43: error: 
'galois_init_default_field' was not declared in this scope
      int r = galois_init_default_field(w[i]);
                                            ^
make[3]: *** 
[erasure-code/jerasure/libec_jerasure_sse4_la-ErasureCodePluginJerasure.lo] 
Error 1
make[3]: Leaving directory `/data/lpabon/git/ceph/ceph/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/data/lpabon/git/ceph/ceph/src'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/data/lpabon/git/ceph/ceph/src'
make: *** [all-recursive] Error 1

$ git log --oneline -3
959d664 Merge pull request #2032 from sponce/wip-fixstriperoni386
a5f9a09 Fixed build on 32 bits platforms
f5a72b7 Added a couple of ASSERTS for avoiding coverity to complain 
about the possibility of a division by 0