std: unix process_unsupported: Provide a wait status emulation (fmt)

Worsify formatting as required by rustfmt.

Author: ijackson

library/std/src/sys/unix/process/process_unsupported/wait_status.rs

@@ -37,20 +37,12 @@ impl ExitStatus {
         // Likewise the macros disregard all the high bits, so are happy to declare
         // out-of-range values to be WIFEXITED, WIFSTOPPED, etc.
         let w = self.wait_status;
-        if (w & 0x7f) == 0 {
-            Some((w & 0xff00) >> 8)
-        } else {
-            None
-        }
+        if (w & 0x7f) == 0 { Some((w & 0xff00) >> 8) } else { None }
     }
 
     pub fn signal(&self) -> Option<i32> {
         let signal = self.wait_status & 0x007f;
-        if signal > 0 && signal < 0x7f {
-            Some(signal)
-        } else {
-            None
-        }
+        if signal > 0 && signal < 0x7f { Some(signal) } else { None }
     }
 
     pub fn core_dumped(&self) -> bool {
@@ -59,11 +51,7 @@ impl ExitStatus {
 
     pub fn stopped_signal(&self) -> Option<i32> {
         let w = self.wait_status;
-        if (w & 0xff) == 0x7f {
-            Some((w & 0xff00) >> 8)
-        } else {
-            None
-        }
+        if (w & 0xff) == 0x7f { Some((w & 0xff00) >> 8) } else { None }
     }
 
     pub fn continued(&self) -> bool {