Try to disable -Wstrict-prototypes

Author: cmb69

.github/actions/configure-macos/action.yml

@@ -18,7 +18,7 @@ runs:
         export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/local/opt/libxslt/lib/pkgconfig"
         export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/local/opt/zlib/lib/pkgconfig"
         export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/local/opt/icu4c/lib/pkgconfig"
-        ./buildconf --force
+        CFLAGS=-Wno-strict-prototypes ./buildconf --force
         ./configure \
           --enable-option-checking=fatal \
           --prefix=/usr/local \