silence some warnings for MSVC

src/runtime/c/pgf/data.h

@@ -25,6 +25,7 @@
 #include <malloc.h>
 #define alloca _alloca
 #define strdup _strdup
+#pragma warning(disable : 4996)
 #endif
 
 

src/runtime/c/pgf/db.cxx

@@ -415,7 +415,7 @@ PgfDB::PgfDB(const char* filepath, int flags, int mode) {
     last_free_block       = 0;
     last_free_block_size  = 0;
     last_free_block_txn_id= 0;
-    seed                  = time(NULL);
+    seed                  = (unsigned long int) time(NULL);
 }
 
 PGF_INTERNAL