[CMAKE] msvc.cmake: Add /wd4819 for Far East Asian (reactos#8219)

"Far East Asian" Visual Studio had
generated a lot of "warning C4819:
File contains characters that
cannot be displayed in the current
code page...".

JIRA issue: N/A

Author: katahiromz

sdk/cmake/msvc.cmake

@@ -40,6 +40,9 @@ if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
     add_compile_options(/X /Zl)
 endif()
 
+# Erase warning C4819 for Far East Asian: The file contains characters that cannot be displayed in the current code page
+add_compile_options(/wd4819)
+
 # Disable buffer security checks by default.
 add_compile_options(/GS-)