ndk-stl: Add back cstddef patch reversal

packages/ndk-stl/build.sh

@@ -1,12 +1,17 @@
 TERMUX_PKG_HOMEPAGE=https://developer.android.com/tools/sdk/ndk/index.html
 TERMUX_PKG_DESCRIPTION="Header files from the Android NDK needed for compiling C++ programs using STL"
 TERMUX_PKG_VERSION=$TERMUX_NDK_VERSION
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_NO_DEVELSPLIT=yes
 
 termux_step_extract_into_massagedir () {
 	mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include/c++/v1/
 	cp -Rf $TERMUX_STANDALONE_TOOLCHAIN/include/c++/4.9.x/* $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include/c++/v1/
+
+	# Revert the patch for <cstddef> that's only used for using g++
+	# from the ndk (https://github.com/android-ndk/ndk/issues/215):
+	cd $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include/c++/v1/
+	sed "s%\@TERMUX_HOST_PLATFORM\@%${TERMUX_HOST_PLATFORM}%g" $TERMUX_SCRIPTDIR/ndk-patches/cstddef.cpppatch | patch -p1 -R
 }
 
 termux_step_massage () {