Avoid transitive declaration

gcc/rust/ChangeLog:

	* ast/rust-pattern.h: Include header directly.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

Author: P-E-P

gcc/rust/ast/rust-pattern.h

@@ -20,6 +20,7 @@
 #define RUST_AST_PATTERN_H
 
 #include "rust-ast.h"
+#include "rust-path.h"
 
 namespace Rust {
 namespace AST {