Fixed suggestion in macro invocations

Author: 1c3t3a

clippy_lints/src/semicolon_if_nothing_returned.rs

@@ -49,12 +49,12 @@ impl LateLintPass<'_> for SemicolonIfNothingReturned {
                     return;
                 }
 
-                let sugg = sugg::Sugg::hir(cx, &expr, "..");
+                let sugg = sugg::Sugg::hir_with_macro_callsite(cx, &expr, "..");
                 let suggestion = format!("{0};", sugg);
                 span_lint_and_sugg(
                     cx,
                     SEMICOLON_IF_NOTHING_RETURNED,
-                    expr.span,
+                    expr.span.source_callsite(),
                     "consider adding a `;` to the last statement for consistent formatting",
                     "add a `;` here",
                     suggestion,

tests/ui/semicolon_if_nothing_returned.stderr

@@ -2,10 +2,9 @@ error: consider adding a `;` to the last statement for consistent formatting
   --> $DIR/semicolon_if_nothing_returned.rs:8:5
    |
 LL |     println!("Hello")
-   |     ^^^^^^^^^^^^^^^^^
+   |     ^^^^^^^^^^^^^^^^^ help: add a `;` here: `println!("Hello");`
    |
    = note: `-D clippy::semicolon-if-nothing-returned` implied by `-D warnings`
-   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: consider adding a `;` to the last statement for consistent formatting
   --> $DIR/semicolon_if_nothing_returned.rs:12:5