[llvm] Fix: CMake Error at cmake/modules/LLVMExternalProjectUtils.cmake:86 (is_msvc_triple) (PR #80071)

[via llvm-commits]

https://github.com/hiraditya updated https://github.com/llvm/llvm-project/pull/80071

>From 0ae0ed53a941b1462438cbbaa8b9b5ea9d0298d1 Mon Sep 17 00:00:00 2001
From: AdityaK <1894981+hiraditya at users.noreply.github.com>
Date: Tue, 30 Jan 2024 14:39:07 -0800
Subject: [PATCH] Fix: CMake Error at
 cmake/modules/LLVMExternalProjectUtils.cmake:86 (is_msvc_triple)

---
 llvm/cmake/modules/LLVMExternalProjectUtils.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/cmake/modules/LLVMExternalProjectUtils.cmake b/llvm/cmake/modules/LLVMExternalProjectUtils.cmake
index 2089f979acd00..2672f90f579bd 100644
--- a/llvm/cmake/modules/LLVMExternalProjectUtils.cmake
+++ b/llvm/cmake/modules/LLVMExternalProjectUtils.cmake
@@ -83,7 +83,7 @@ function(llvm_ExternalProject_Add name source_dir)
     set(target_triple ${ARG_TARGET_TRIPLE})
   endif()
 
-  is_msvc_triple(is_msvc_target ${target_triple})
+  is_msvc_triple(is_msvc_target "${target_triple}")
 
   if(NOT ARG_TOOLCHAIN_TOOLS)
     set(ARG_TOOLCHAIN_TOOLS clang)