drop_bounds: make lint adhere to lint message convention

Author: matthiaskrgr

clippy_lints/src/drop_bounds.rs

@@ -33,11 +33,11 @@ declare_clippy_lint! {
     /// ```
     pub DROP_BOUNDS,
     correctness,
-    "Bounds of the form `T: Drop` are useless"
+    "bounds of the form `T: Drop` are useless"
 }
 
-const DROP_BOUNDS_SUMMARY: &str = "Bounds of the form `T: Drop` are useless. \
-                                   Use `std::mem::needs_drop` to detect if a type has drop glue.";
+const DROP_BOUNDS_SUMMARY: &str = "bounds of the form `T: Drop` are useless, \
+                                   use `std::mem::needs_drop` to detect if a type has drop glue";
 
 declare_lint_pass!(DropBounds => [DROP_BOUNDS]);
 

tests/ui/drop_bounds.stderr

@@ -1,12 +1,12 @@
-error: Bounds of the form `T: Drop` are useless. Use `std::mem::needs_drop` to detect if a type has drop glue.
+error: bounds of the form `T: Drop` are useless, use `std::mem::needs_drop` to detect if a type has drop glue
   --> $DIR/drop_bounds.rs:2:11
    |
 LL | fn foo<T: Drop>() {}
    |           ^^^^
    |
    = note: `#[deny(clippy::drop_bounds)]` on by default
 
-error: Bounds of the form `T: Drop` are useless. Use `std::mem::needs_drop` to detect if a type has drop glue.
+error: bounds of the form `T: Drop` are useless, use `std::mem::needs_drop` to detect if a type has drop glue
   --> $DIR/drop_bounds.rs:5:8
    |
 LL |     T: Drop,