Apply interop filtering

Also actualize .def files

backend.native/llvm.def

@@ -1,6 +1,8 @@
 headers = llvm-c/Core.h llvm-c/ExecutionEngine.h llvm-c/Target.h llvm-c/Analysis.h llvm-c/BitWriter.h \
     llvm-c/BitReader.h llvm-c/Linker.h DebugInfoC.h
 
+headerFilter = llvm-c/* DebugInfoC.h
+
 compilerOpts = -std=c99 -fPIC \
     -Wall -W -Wno-unused-parameter -Wwrite-strings -Wmissing-field-initializers \
     -pedantic -Wno-long-long -Wcovered-switch-default -Wdelete-non-virtual-dtor \