Some time all typedef enum give re-declared error when delete --no warnings in file msvc.json

[JasonLeeCn]

Issue Type: Bug

When delete "--no_warnings" line in file "msvc.json".
In some complex project (code files forlder) all typedef enum type given an error as follow:
"typedef name has already been declared (with similar type)" in all hearder files. But some projects no this problem. I checked the typedef enum, it just define one times.

Extension version: 0.23.1
VS Code version: Code 1.34.0 (a622c65b2c713c890fcf4fbf07cf34049d5fe758, 2019-05-15T21:59:37.030Z)
OS version: Windows_NT x64 10.0.16299

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz (4 x 2496)
GPU Status	2d_canvas: enabled checker_imaging: disabled_off flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: disabled_software rasterization: enabled surface_synchronization: enabled_on video_decode: enabled webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	7.66GB (4.10GB free)
Screen Reader	no
VM	0%

[sean-mcmanus]

It repros with .c files (possibly other projects are using C++).

[sean-mcmanus]

Fixed with 0.24.0-insiders (available by setting "C_Cpp.updateChannel" to "Insiders").