[Courgette] Fix AssemblyProgram parsing for ELF-ARM.

courgette/encode_decode_unittest.cc

Index: courgette/encode_decode_unittest.cc
diff --git a/courgette/encode_decode_unittest.cc b/courgette/encode_decode_unittest.cc
index 7494785b34abf7b4d45ce7c399fa9a497bfe4769..8c972a6c3667e4023db034dbdddeed51620c0bf1 100644
--- a/courgette/encode_decode_unittest.cc
+++ b/courgette/encode_decode_unittest.cc
@@ -94,3 +94,8 @@ TEST_F(EncodeDecodeTest, Elf_HighBSS) {
   std::string file = FileContents("elf-32-high-bss");
   TestAssembleToStreamDisassemble(file, 7312);
 }
+
+TEST_F(EncodeDecodeTest, Elf_Arm) {
+  std::string file = FileContents("elf-armv7");
+  TestAssembleToStreamDisassemble(file, 8531);
+}