fix mingw compile error by resolving std::min type mismatch (#346)

Co-authored-by: Weining Wu <wnwu@fortinet.com>

diff --git a/src/fdr/fdr_engine_description.cpp b/src/fdr/fdr_engine_description.cpp
index 6de09f92b7562d770be39ebedf98a1d160b4e178..7efe5cefff3a7199d9b9b7825c8cfb2becfe6d18 100644 (file)
--- a/src/fdr/fdr_engine_description.cpp
+++ b/src/fdr/fdr_engine_description.cpp
@@ -71,7 +71,7 @@ u32 findDesiredStride(size_t num_lits, size_t min_len, size_t min_len_count) {
         } else if (num_lits < 5000) {
             // for larger but not huge sizes, go to stride 2 only if we have at
             // least minlen 3
-            desiredStride = std::min(min_len - 1, 2UL);
+            desiredStride = std::min(min_len - 1, static_cast<std::size_t>(2UL));
         }
     }