auto/modules/wasm: Remove an unneeded compiler option

-Wno-missing-field-initializers was needed for GCC 4.8 / RHEL 7 etc to
avoid warnings with {} empty initialisers.

We haven't needed to support that compiler for sometime.

Signed-off-by: Andrew Clayton <[email protected]>

Author: ac000

auto/modules/wasm

@@ -63,8 +63,8 @@ NXT_WASM_LDFLAGS=
 if [ "$NXT_WASM_RUNTIME" = "wasmtime" ]; then
     NXT_WASM_LDFLAGS=-lwasmtime
 fi
-NXT_WASM_ADDITIONAL_FLAGS="-Wno-missing-field-initializers \
- -DNXT_HAVE_WASM_$(echo ${NXT_WASM_RUNTIME} | tr 'a-z' 'A-Z') \
+NXT_WASM_ADDITIONAL_FLAGS=" \
+-DNXT_HAVE_WASM_$(echo ${NXT_WASM_RUNTIME} | tr 'a-z' 'A-Z') \
 "
 
 # Set the RPATH/RUNPATH.