gdb.h has been removed in
  Eliminate catch_exceptions/catch_exceptions_with_msg
  
65630365f7d073430e62b4fe65f34dcdc0a4b05e
Remove the include in darwin-nat.c.  Tested by rebuilding.
gdb/ChangeLog:
	* darwin-nat.c: Remove include of gdb.h.
 
+2017-10-29  Simon Marchi  <simon.marchi@ericsson.com>
+
+       * darwin-nat.c: Remove include of gdb.h.
+
 2017-10-29  Simon Marchi  <simon.marchi@ericsson.com>
 
        * xtensa-xtregs.c: Fix formatting issues.
 
 #include "symfile.h"
 #include "symtab.h"
 #include "objfiles.h"
-#include "gdb.h"
 #include "gdbcmd.h"
 #include "gdbcore.h"
 #include "gdbthread.h"