fix another readability-make-member-function-const

Missed one.

Fixes: 4b8c540ef7d8be448bf7ece8e75595045abbe0fd
Tested: Ran unit tests
Change-Id: I82f1b025a79b9516ba306537038d9f11846a144c
Signed-off-by: Brad Bishop <bradbish@qti.qualcomm.com>
diff --git a/oem/ibm/libpldmresponder/file_io_type_dump.cpp b/oem/ibm/libpldmresponder/file_io_type_dump.cpp
index cc1035f..2d81773 100644
--- a/oem/ibm/libpldmresponder/file_io_type_dump.cpp
+++ b/oem/ibm/libpldmresponder/file_io_type_dump.cpp
@@ -143,7 +143,7 @@
     return PLDM_SUCCESS;
 }
 
-std::string DumpHandler::getOffloadUri(uint32_t fileHandle)
+std::string DumpHandler::getOffloadUri(uint32_t fileHandle) const
 {
     auto path = findDumpObjPath(fileHandle);
     if (path.empty())
diff --git a/oem/ibm/libpldmresponder/file_io_type_dump.hpp b/oem/ibm/libpldmresponder/file_io_type_dump.hpp
index 5fe1916..a8af4ca 100644
--- a/oem/ibm/libpldmresponder/file_io_type_dump.hpp
+++ b/oem/ibm/libpldmresponder/file_io_type_dump.hpp
@@ -53,7 +53,7 @@
         uint32_t /*metaDataValue3*/, uint32_t /*metaDataValue4*/);
 
     std::string findDumpObjPath(uint32_t fileHandle) const;
-    std::string getOffloadUri(uint32_t fileHandle);
+    std::string getOffloadUri(uint32_t fileHandle) const;
 
     /** @brief DumpHandler destructor
      */