-Wno-deprecated-register with Clang

[Mike Alexander]

--On July 2, 2014 at 3:39:07 PM -0400 Mike Alexander <mta at umich.edu> 
wrote:

> I found my stupid mistake and GnuCash now builds ok with clang for me
> (a lot faster too).  I do both an optimized and a debug build.  The
> optimized build works ok, but the debug build crashes trying to
> produce a vendor listing report.  It's an EXC_BAD_ACCESS exception
> and the top of the stack is
>
> 0   libgnc-qof.1.dylib      0x00000001069cc83d
> qof_book_get_collection + 61 (qofbook.cpp:510)
> 1   libgncmod-engine.dylib  0x000000010663a404 gncVendorLookup + 68
> (gncVendor.h:116)
> 2   libgncmod-engine.dylib  0x000000010663a2aa
> gncOwnerGetOwnerFromLot + 282 (gncOwner.c:630)
> 3   libgncmod-engine.dylib  0x000000010660b20e
> _wrap_gncOwnerGetOwnerFromLot + 126 (swig-engine.c:32929)
>
> I don't have time to look into this right now since real life is
> intruding.  If no one else finds it, I'll either fix it or file a bug
> report later.

I just pushed a fix for this in bacc0b2.  gncOwnerGetOwnerFromLot was 
clobbering a stack variable by storing a 64 bit owner type in a 32 bit 
variable.

                Mike