Make sure that BPFLOADER_VERSION >= COMPILE_FOR_BPFLOADER_VERSION

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I3612460f81a210df0293c0a0f589c2d5a29f615b
diff --git a/libbpf_android/Loader.cpp b/libbpf_android/Loader.cpp
index d68f407..9032aa3 100644
--- a/libbpf_android/Loader.cpp
+++ b/libbpf_android/Loader.cpp
@@ -39,6 +39,10 @@
 #include "bpf/bpf_map_def.h"
 #include "include/libbpf_android.h"
 
+#if BPFLOADER_VERSION < COMPILE_FOR_BPFLOADER_VERSION
+#error "BPFLOADER_VERSION is less than COMPILE_FOR_BPFLOADER_VERSION"
+#endif
+
 #include <bpf/bpf.h>
 
 #include <cstdlib>