std panicking: Make decrease() return ()

Nothing uses the return value.  This will make the next changes
easier.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs
index 6cd572cbe87c131b661d56d7483d62df2e2c551e..fbcfec7c7a9e97b241e9d4db8bc460ca366607de 100644 (file)
--- a/library/std/src/panicking.rs
+++ b/library/std/src/panicking.rs
@@ -252,13 +252,13 @@ pub fn increase() -> usize {
         })
     }
 
-    pub fn decrease() -> usize {
+    pub fn decrease() {
         GLOBAL_PANIC_COUNT.fetch_sub(1, Ordering::Relaxed);
         LOCAL_PANIC_COUNT.with(|c| {
             let next = c.get() - 1;
             c.set(next);
             next
-        })
+        });
     }
 
     pub fn get() -> usize {