common: New file fwddecl.h.
* common/util.h (server_control_s, ctrl_t): Move to ... * common/fwddecl.h: New file. * common/call-gpg.h: Replace typedef by fwddecl.h. Change include protection macro name. * common/Makefile.am (common_sources): Add fwddecl.h.
It seems some compilers do not grok a re-declaration. Thus we factor
it out into a separate file and use the include protection macro to
protect against re-declaration.
- GnuPG-bug-id: T2200
- Signed-off-by: Werner Koch <wk@gnupg.org>