[CMake] Need to install VersionFromVCS.cmake as part of LLVM's CMake modules

This is required to support clang --version detecting the clang repository information.

llvm-svn: 257909

llvm/cmake/modules/CMakeLists.txt

@@ -90,6 +90,5 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
     PATTERN LLVMConfigVersion.cmake EXCLUDE
     PATTERN LLVM-Config.cmake EXCLUDE
     PATTERN GetHostTriple.cmake EXCLUDE
-    PATTERN VersionFromVCS.cmake EXCLUDE
     PATTERN CheckAtomic.cmake EXCLUDE)
 endif()