Add more flags for BinSkim

Author: rzhao271

binding.gyp

@@ -5,21 +5,27 @@
       "sources": [
         "src/foreground-love.cc"
       ],
-      'msvs_configuration_attributes': {
-        'SpectreMitigation': 'Spectre'
+      "cflags": [
+        "-O2",
+        "-D_FORTIFY_SOURCE=2"
+      ],
+      "msvs_configuration_attributes": {
+        "SpectreMitigation": "Spectre"
       },
-      'msvs_settings': {
-        'VCCLCompilerTool': {
-          'AdditionalOptions': [
-            '/guard:cf',
-            '/we4244',
-            '/we4267',
-            '/ZH:SHA_256'
+      "msvs_settings": {
+        "VCCLCompilerTool": {
+          "AdditionalOptions": [
+            "/guard:cf",
+            "/W3",
+            "/we4244",
+            "/we4267",
+            "/ZH:SHA_256"
           ]
         },
-        'VCLinkerTool': {
-          'AdditionalOptions': [
-            '/guard:cf'
+        "VCLinkerTool": {
+          "AdditionalOptions": [
+            "/DYNAMICBASE",
+            "/guard:cf"
           ]
         }
       }