[NFC] 'static Type' is more conventional than 'Type static'.

Author: huonw

lib/AST/GenericSignatureBuilder.cpp

@@ -166,7 +166,7 @@ class RewritePath {
   ///
   /// \returns the path, or None if it contained unresolved dependent member
   /// types.
-  RewritePath static createPath(Type type);
+  static RewritePath createPath(Type type);
 
   /// Decompose a type into a path.
   ///