In Boost.Outcome fix bad status-code header path translation.

.boostify

@@ -47,7 +47,7 @@ core_macros = {
     r'^SYSTEM_ERROR2_': r'BOOST_OUTCOME_SYSTEM_ERROR2_',
     r'([^_])SYSTEM_ERROR2_': r'\1BOOST_OUTCOME_SYSTEM_ERROR2_',
     r'<outcome/([^>]+)': r'<boost/outcome/\1',
-    r'status-code/include/': r'/',
+    r'status-code/include/': r'',
     r'// Boost.Outcome ' : r'',
     r'CXX_': r'BOOST_OUTCOME_C_',
 }