[clang][deps] Fix build after llvm#129751

Some compilers don't like having a member variable name that shadows the type name.

(cherry picked from commit 1872774)

Author: jansvoboda11

clang/include/clang/Tooling/DependencyScanning/DependencyScanningService.h

@@ -131,7 +131,7 @@ class DependencyScanningService {
 
   bool useCASFS() const { return (bool)SharedFS; }
 
-  ModuleCacheMutexes &getModuleCacheMutexes() { return ModuleCacheMutexes; }
+  ModuleCacheMutexes &getModuleCacheMutexes() { return ModCacheMutexes; }
 
 private:
   const ScanningMode Mode;
@@ -151,7 +151,7 @@ class DependencyScanningService {
   /// The global file system cache.
   std::optional<DependencyScanningFilesystemSharedCache> SharedCache;
   /// The global module cache mutexes.
-  ModuleCacheMutexes ModuleCacheMutexes;
+  ModuleCacheMutexes ModCacheMutexes;
 };
 
 } // end namespace dependencies