Move the libclang-headers project into the Misc folder on IDEs like Visual...

Move the libclang-headers project into the Misc folder on IDEs like Visual Studio rather than leave it in the root directory. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@317417 91177308-0d34-0410-b5e6-96231b3b80d8

tools/libclang/CMakeLists.txt

@@ -145,6 +145,7 @@ install(DIRECTORY ../../include/clang-c
 # component and an install-component target, so add a dummy libclang-headers
 # target to allow using it in LLVM_DISTRIBUTION_COMPONENTS.
 add_custom_target(libclang-headers)
+set_target_properties(libclang-headers PROPERTIES FOLDER "Misc")
 
 if (NOT CMAKE_CONFIGURATION_TYPES) # don't add this for IDE's.
   add_custom_target(install-libclang-headers