bpfloader - fix includes

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I3c46875a34b744c9ff0af2b52b63ecbc9db5c15e

libbpf_android/Loader.cpp

@@ -35,6 +35,7 @@
 #define BPFLOADER_VERSION_MINOR 31u
 #define BPFLOADER_VERSION ((BPFLOADER_VERSION_MAJOR << 16) | BPFLOADER_VERSION_MINOR)
 
+#include "BpfSyscallWrappers.h"
 #include "bpf/BpfUtils.h"
 #include "bpf/bpf_map_def.h"
 #include "include/libbpf_android.h"

libbpf_android/include/libbpf_android.h

@@ -20,6 +20,8 @@
 #include <libbpf.h>
 #include <linux/bpf.h>
 
+#include <fstream>
+
 namespace android {
 namespace bpf {