Merge pull request #1515 from ansurya/tex_unbind_issue_fix

Fix undefined ref to hipUnbindTexture for texture types

samples/2_Cookbook/11_texture_driver/texture2dDrv.cpp

@@ -124,6 +124,7 @@ bool runTest(int argc, char** argv) {
             }
         }
     }
+    HIP_CHECK(hipUnbindTexture(tex));
     HIP_CHECK(hipFree(dData));
     HIP_CHECK(hipFreeArray(array));
     return testResult;