fix typo on pthread
/* Definitions to map some non-standard, BSD thread management interfaces to
* the non-standard Linux-like prctl() interface. Since these are simple
- * mappings to prctl, they will return 0 on sucess and -1 on failure with the
- * err number in errno. This is an inconsistency with out pthread interfaces.
+ * mappings to prctl, they will return 0 on success and -1 on failure with the
+ * err number in errno. This is an inconsistency with the pthread interfaces.
*/
/**
