File s390-support.diff of Package cromfs

--- cromfs.cc
+++ cromfs.cc
@@ -584,7 +584,7 @@ void cromfs::read_block(cromfs_blocknum_t ind,
             (unsigned)fblock.size(), (unsigned)size, (unsigned)(startoffs));
 #endif
     
-        uint_fast32_t bytes = std::min(fblock.size() - startoffs, size);
+        uint_fast32_t bytes = std::min(uint_fast32_t(fblock.size() - startoffs), size);
         std::memcpy(target, &fblock[startoffs], bytes);
     }
 }