Update alignment of pthread_mutexattr_t

Author: gnzlbg

src/unix/notbsd/linux/align.rs

@@ -7,17 +7,15 @@ macro_rules! expand_align {
                            target_arch = "mips64",
                            target_arch = "s390x",
                            target_arch = "sparc64",
-                           all(target_arch = "aarch64",
-                               target_env = "musl")),
+                           target_arch = "aarch64"),
                        repr(align(4)))]
             #[cfg_attr(not(any(target_pointer_width = "32",
                                target_arch = "x86_64",
                                target_arch = "powerpc64",
                                target_arch = "mips64",
                                target_arch = "s390x",
                                target_arch = "sparc64",
-                               all(target_arch = "aarch64",
-                                   target_env = "musl"))),
+                               target_arch = "aarch64")),
                        repr(align(8)))]
             pub struct pthread_mutexattr_t {
                 #[doc(hidden)]