fix dependencies of FEATURE_GETOPT_LONG

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

examples/inittab

@@ -30,7 +30,7 @@
 #       console." and then waits for the user to press enter before starting
 #       the specified process.
 #
-#       Note: unrecognised actions (like initdefault) will cause init to emit
+#       Note: unrecognized actions (like initdefault) will cause init to emit
 #       an error message, and then go along with its business.
 #
 # <process>: Specifies the process to be executed and it's command line.