src: fix some warnings and erroneous PRINT_DEBUG

PR-URL: #354
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: mmarchini

src/constants.cc

@@ -85,7 +85,7 @@ int64_t Constants::LoadConstant(const char* name, int64_t def) {
   auto constant =
       Constants::LookupConstant(target_, (constant_prefix() + name).c_str());
   if (!constant.Check()) {
-    PRINT_DEBUG("Failed to load constant %s, default to %" PRId64, name);
+    PRINT_DEBUG("Failed to load constant %s, default to %" PRId64, name, def);
     return def;
   }
 

src/error.cc

@@ -22,7 +22,7 @@ void Error::PrintInDebugMode(const char* file, int line, const char* funcname,
     return;
   }
   char fmt[kMaxMessageLength];
-  snprintf(fmt, sizeof(fmt), "[llnode][%s %s:%lld] %s\n", funcname, file, line,
+  snprintf(fmt, sizeof(fmt), "[llnode][%s %s:%d] %s\n", funcname, file, line,
            format);
   va_list arglist;
   va_start(arglist, format);