find: un-DESKTOPize (Kai Schwenzfeier <niteblade@gmx.net>)

find: -group, -depth (Natanael Copa <natanael.copa@gmail.com>)
find: make constant array static, declare PARM_xx constants with enum

include/usage.h

@@ -958,9 +958,11 @@
 	) USE_FEATURE_FIND_EXEC( \
        "\n	-exec CMD	Execute CMD with all instances of {} replaced by the" \
        "\n			files matching EXPRESSION" \
-	) USE_DESKTOP( \
+	) USE_FEATURE_FIND_SIZE( \
        "\n	-size N		File size is N" \
+	) USE_FEATURE_FIND_PRUNE( \
        "\n	-prune		Stop traversing current subtree" \
+	) USE_FEATURE_FIND_PAREN( \
        "\n	(expr)		Group" \
 	)