Rollup merge of #100107 - klensy:tr-w, r=compiler-errors

fix trailing whitespace in error message

src/test/ui/borrowck/borrowck-for-loop-uninitialized-binding.stderr

@@ -4,7 +4,7 @@ error[E0381]: used binding `x` is possibly-uninitialized
 LL |     let mut x: isize;
    |         ----- binding declared here but left uninitialized
 LL |     for _ in 0..0 { x = 10; }
-   |              ---- if the `for` loop runs 0 times, `x` is not initialized 
+   |              ---- if the `for` loop runs 0 times, `x` is not initialized
 LL |     return x;
    |            ^ `x` used here but it is possibly-uninitialized