"String + int" build failure(s) — clang 3.3

PackageVersionSupposed error messageFull log Bug report
lebiniou 3.18-1layer.c:112:40: error: adding 'unsigned long' to a string does not append to the string [-Werror,-Wstring-plus-int] Log
librcsb-core-wrapper 1.000-2src/BlockIO.C:37:68: error: adding 'const int' to a string does not append to the string [-Werror,-Wstring-plus-int] Log

2 errors