Fix build harder

src/ctype/src/lib.rs

@@ -73,7 +73,7 @@ pub extern "C" fn isblank(c: c_int) -> c_int {
 
 #[no_mangle]
 /// The comment in musl:
-/// /* nonsense function that should NEVER be used! */
+/// nonsense function that should NEVER be used!
 pub extern "C" fn toascii(c: c_int) -> c_int {
     c & 0x7f
 }