Add dlupdate to ELFNixPlatform

Author: SahilPatidar

llvm/lib/ExecutionEngine/Orc/ELFNixPlatform.cpp

@@ -372,6 +372,7 @@ ELFNixPlatform::standardRuntimeUtilityAliases() {
           {"__orc_rt_run_program", "__orc_rt_elfnix_run_program"},
           {"__orc_rt_jit_dlerror", "__orc_rt_elfnix_jit_dlerror"},
           {"__orc_rt_jit_dlopen", "__orc_rt_elfnix_jit_dlopen"},
+          {"__orc_rt_jit_dlupdate", "__orc_rt_elfnix_jit_dlupdate"},
           {"__orc_rt_jit_dlclose", "__orc_rt_elfnix_jit_dlclose"},
           {"__orc_rt_jit_dlsym", "__orc_rt_elfnix_jit_dlsym"},
           {"__orc_rt_log_error", "__orc_rt_log_error_to_stderr"}};