This adds an MSVC warning option equivalent to those added in commit
29bf4ee7496 for GCC/Clang.
Note that this requires commit
bccfc73acde (Disable warnings in system
headers in MSVC).
Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/aa73q1aT0A3/vke/%40ip-10-97-1-34.eu-west-3.compute.internal
# Additional warnings to enable:
'/w24062', # enumerator 'identifier' in switch of enum 'enumeration' is not handled [like -Wswitch]
'/w24102', # unreferenced label [like -Wunused-label]
+ '/w24255', # 'function' : no function prototype given: converting '()' to '(void)' [like -Wstrict-prototypes]
# Disable warnings in system headers
'/external:anglebrackets',