Whitespace cleanup.

* configure.in: Eliminate subdir stuff.
* configure: Regenerate.
* include/getopt.h (option): Make name field 'const'.

winsup/cygwin/spawn.cc

@@ -450,7 +450,7 @@ spawn_guts (HANDLE hToken, const char * prog_arg, const char *const *argv,
       /* Replace argv[0] with the full path to the script if this is the
 	 first time through the loop. */
       newargv.replace0_maybe (prog_arg);
-	  
+
       /* pointers:
        * pgm	interpreter name
        * arg1	optional string