We have a shim crt for Darwin10 that implements functionality
missing in libSystem. Provide this with a prototype to silence the
warning about this.
libgcc/ChangeLog:
* config/darwin10-unwind-find-enc-func.c: Include libgcc_tm.h.
* config/i386/darwin-lib.h: Declare Darwin10 crt function.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>