Fix bug in string literal handling in cython.inlinge

Cython/Build/Inline.py

@@ -103,6 +103,7 @@ def cython_inline(code,
     if get_type is None:
         get_type = lambda x: 'object'
     code = to_unicode(code)
+    orig_code = code
     code, literals = strip_string_literals(code)
     code = strip_common_indent(code)
     ctx = Context(cython_include_dirs, default_options)
@@ -127,7 +128,7 @@ def cython_inline(code,
     arg_names = kwds.keys()
     arg_names.sort()
     arg_sigs = tuple([(get_type(kwds[arg], ctx), arg) for arg in arg_names])
-    key = code, arg_sigs, sys.version_info, sys.executable, Cython.__version__
+    key = orig_code, arg_sigs, sys.version_info, sys.executable, Cython.__version__
     module_name = "_cython_inline_" + hashlib.md5(str(key).encode('utf-8')).hexdigest()
     try:
         if not os.path.exists(lib_dir):