Use path to refer to constants in cross-crate pattern tests

Author: ecstatic-morse

src/test/ui/consts/const_in_pattern/cross-crate-fail.rs

@@ -3,11 +3,10 @@
 #![warn(indirect_structural_match)]
 
 extern crate consts;
-use consts::*;
 
 fn main() {
     match None {
-        SOME => panic!(),
+        consts::SOME => panic!(),
         //~^ must be annotated with `#[derive(PartialEq, Eq)]`
         //~| must be annotated with `#[derive(PartialEq, Eq)]`
 

src/test/ui/consts/const_in_pattern/cross-crate-fail.stderr

@@ -1,14 +1,14 @@
 error: to use a constant of type `consts::CustomEq` in a pattern, `consts::CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/cross-crate-fail.rs:10:9
+  --> $DIR/cross-crate-fail.rs:9:9
    |
-LL |         SOME => panic!(),
-   |         ^^^^
+LL |         consts::SOME => panic!(),
+   |         ^^^^^^^^^^^^
 
 error: to use a constant of type `consts::CustomEq` in a pattern, `consts::CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
-  --> $DIR/cross-crate-fail.rs:10:9
+  --> $DIR/cross-crate-fail.rs:9:9
    |
-LL |         SOME => panic!(),
-   |         ^^^^
+LL |         consts::SOME => panic!(),
+   |         ^^^^^^^^^^^^
 
 error: aborting due to 2 previous errors
 

src/test/ui/consts/const_in_pattern/cross-crate-pass.rs

@@ -4,11 +4,11 @@
 #![warn(indirect_structural_match)]
 
 extern crate consts;
-use consts::*;
+use consts::CustomEq;
 
 fn main() {
     match Some(CustomEq) {
-        NONE => panic!(),
+        consts::NONE => panic!(),
         _ => {}
     }
 }