[tests][libFuzzer] Fix `-Wmissing-field-initializers` after D86092

Speculatively fix `-Werror,-Wmissing-field-initializers` failures
relating to the `ScalePerExecTime` field added by D86092.

GitOrigin-RevId: dde16ef031a0a9465444b0b02b9427709ef70651
diff --git a/tests/FuzzerUnittest.cpp b/tests/FuzzerUnittest.cpp
index e17fca8..d2b5cbb 100644
--- a/tests/FuzzerUnittest.cpp
+++ b/tests/FuzzerUnittest.cpp
@@ -592,7 +592,7 @@
 TEST(Corpus, Distribution) {
   DataFlowTrace DFT;
   Random Rand(0);
-  struct EntropicOptions Entropic = {false, 0xFF, 100};
+  struct EntropicOptions Entropic = {false, 0xFF, 100, false};
   std::unique_ptr<InputCorpus> C(new InputCorpus("", Entropic));
   size_t N = 10;
   size_t TriesPerUnit = 1<<16;
@@ -1060,7 +1060,7 @@
   const size_t FeatIdx1 = 0, FeatIdx2 = 42, FeatIdx3 = 12, FeatIdx4 = 26;
   size_t Index;
   // Create input corpus with default entropic configuration
-  struct EntropicOptions Entropic = {true, 0xFF, 100};
+  struct EntropicOptions Entropic = {true, 0xFF, 100, false};
   std::unique_ptr<InputCorpus> C(new InputCorpus("", Entropic));
   std::unique_ptr<InputInfo> II(new InputInfo());
 
@@ -1097,7 +1097,7 @@
 
 TEST(Entropic, ComputeEnergy) {
   const double Precision = 0.01;
-  struct EntropicOptions Entropic = {true, 0xFF, 100};
+  struct EntropicOptions Entropic = {true, 0xFF, 100, false};
   std::unique_ptr<InputCorpus> C(new InputCorpus("", Entropic));
   std::unique_ptr<InputInfo> II(new InputInfo());
   Vector<std::pair<uint32_t, uint16_t>> FeatureFreqs = {{1, 3}, {2, 3}, {3, 3}};