[rocm-libraries] ROCm/rocm-libraries#3662 (commit 58b4b15)

[hipfft-test] add omitted references in catch blocks in
 hipfftw tests (#3662)

## Motivation

Self-explanatory title (omissions in original implementations).

## Technical Details

Self-explanatory.

## Test Plan

Current tests suffice.

## Test Result

Tests pass.

## Submission Checklist

- [x] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

Author: regan-amd

clients/tests/hipfftw_test.cpp

@@ -1362,7 +1362,7 @@ namespace
             {
                 GTEST_FAIL() << "undefined function pointers detected. Error info: " << e.what();
             }
-            catch(const std::runtime_error e)
+            catch(const std::runtime_error& e)
             {
                 if(log_content.empty() && exception_logger)
                     log_content = exception_logger->get_log();
@@ -2012,14 +2012,14 @@ namespace
             {
                 GTEST_FAIL() << "undefined function pointers detected. Error info: " << e.what();
             }
-            catch(const hip_runtime_error e)
+            catch(const hip_runtime_error& e)
             {
                 if(skip_runtime_fails)
                     GTEST_SKIP() << e.what() << "\nError code: " << e.hip_error << ".";
                 else
                     GTEST_FAIL() << e.what() << "\nError code: " << e.hip_error << ".";
             }
-            catch(const std::runtime_error e)
+            catch(const std::runtime_error& e)
             {
                 GTEST_FAIL() << e.what();
             }