rwrap: Explicitly zero out sin_zero to silence gcc warnings.
rwrap: Explicitly zero out sin_zero to silence gcc warnings.

On some platforms, failure to set the sin_zero structure lead to
warnings such as:

resolv_wrapper.c:969:5: warning: missing initializer for field ‘sin_zero’
		        of ‘struct sockaddr_in’ [-Wmissing-field-initializers]

     };
     ^
In file included from /usr/include/arpa/inet.h:22:0,
                 from /.../source/src/resolv_wrapper.c:38:

Signed-off-by: Jakub Hrozek <17cd138b925932d6ed84ede56550124a0b538ee0@gmail.com>
Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@samba.org>
Reviewed-by: Michael Adam <dcf2bf3ff8ea93047d51252815aac9756207ea09@samba.org>

jhrozek/resolv_wrapper