Rollup merge of #95730 - m-ou-se:rwlock-case, r=Dylan-DPC

Rename RWLock to RwLock in std::sys.

std::sync::RwLock is spelled with two capital letters, but std::sys's RWLock was spelled with three capital letters. This cleans that up and uses `RwLock` everywhere.

1 files changed, 3 insertions, 3 deletions

diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs
index 0b6cdb923bd..1be733ba106 100644
--- a/library/std/src/sys/unix/os.rs
+++ b/library/std/src/sys/unix/os.rs
@@ -20,7 +20,7 @@ use crate::str;
 use crate::sys::cvt;
 use crate::sys::fd;
 use crate::sys::memchr;
-use crate::sys_common::rwlock::{StaticRWLock, StaticRWLockReadGuard};
+use crate::sys_common::rwlock::{StaticRwLock, StaticRwLockReadGuard};
 use crate::vec;
 
 #[cfg(all(target_env = "gnu", not(target_os = "vxworks")))]
@@ -481,9 +481,9 @@ pub unsafe fn environ() -> *mut *const *const c_char {
     ptr::addr_of_mut!(environ)
 }
 
-static ENV_LOCK: StaticRWLock = StaticRWLock::new();
+static ENV_LOCK: StaticRwLock = StaticRwLock::new();
 
-pub fn env_read_lock() -> StaticRWLockReadGuard {
+pub fn env_read_lock() -> StaticRwLockReadGuard {
     ENV_LOCK.read()
 }