change RequestID to RequestId

Change-Id: Icb426614f391d2828c906155a0d37fd7da7c13f8
diff --git a/src/detail/ca-sqlite.hpp b/src/detail/ca-sqlite.hpp
index 21cd565..2577a80 100644
--- a/src/detail/ca-sqlite.hpp
+++ b/src/detail/ca-sqlite.hpp
@@ -44,7 +44,7 @@
    * @throw if request cannot be fetched from underlying data storage
    */
   RequestState
-  getRequest(const RequestID& requestId) override;
+  getRequest(const RequestId& requestId) override;
 
   /**
    * @throw if there is an existing request with the same request ID
@@ -56,7 +56,7 @@
   updateRequest(const RequestState& request) override;
 
   void
-  deleteRequest(const RequestID& requestId) override;
+  deleteRequest(const RequestId& requestId) override;
 
   std::list<RequestState>
   listAllRequests() override;