New file for the darwin_private_extern fix

From-SVN: r74886

gcc/fixinc/tests/base/mach-o/dyld.h

+/*  DO NOT EDIT THIS FILE.
+
+    It has been auto-edited by fixincludes from:
+
+	"fixinc/tests/inc/mach-o/dyld.h"
+
+    This had to be done to correct non-standard usages in the
+    original, manufacturer supplied header file.  */
+
+
+
+#if defined( DARWIN_PRIVATE_EXTERN_CHECK )
+extern int _dyld_func_lookup(
+const char *dyld_func_name,
+unsigned long *address);
+
+#endif  /* DARWIN_PRIVATE_EXTERN_CHECK */