Ignore -Wpre-c11-compat warnings when building public-header-warnings (#2027)

Author: eramongodb

src/CMakeLists.txt

@@ -36,6 +36,7 @@ target_compile_options(public-header-warnings PRIVATE
   $<$<C_COMPILER_ID:AppleClang,Clang,GNU>:-Wno-declaration-after-statement>
   $<$<C_COMPILER_ID:AppleClang,Clang,GNU>:-Wno-disabled-macro-expansion>
   $<$<C_COMPILER_ID:AppleClang,Clang>:-Wno-c++98-compat-pedantic>
+  $<$<C_COMPILER_ID:AppleClang,Clang>:-Wno-pre-c11-compat>
   $<$<C_COMPILER_ID:AppleClang,Clang>:-Wno-pre-c2x-compat>
   $<$<C_COMPILER_ID:AppleClang,Clang>:-Wno-unsafe-buffer-usage>
   $<$<C_COMPILER_ID:AppleClang,Clang>:-Wno-padded>