Fix build tool crash when includes cache file is corrupted

Source/Tools/Flax.Build/Build/NativeCpp/IncludesCache.cs

@@ -26,6 +26,8 @@ namespace Flax.Build.NativeCpp
             if (!File.Exists(CachePath))
                 return;
 
+            try
+            {
                 using (var stream = new FileStream(CachePath, FileMode.Open))
                 using (var reader = new BinaryReader(stream))
                 {
@@ -84,6 +86,15 @@ namespace Flax.Build.NativeCpp
                     }
                 }
             }
+            catch (Exception)
+            {
+                // Clear cache in case of error when loading data (eg. corrupted file)
+                DirectIncludesCache.Clear();
+                AllIncludesCache.Clear();
+                DirectIncludesTimestampCache.Clear();
+                AllIncludesTimestampCache.Clear();
+            }
+        }
 
         public static void SaveCache()
         {
@@ -305,7 +316,7 @@ namespace Flax.Build.NativeCpp
                 if (includedFile.EndsWith('\\'))
                 {
                     int j = includeStart;
-                    while (j-- > 1 && fileContents[j-1] != '\n')
+                    while (j-- > 1 && fileContents[j - 1] != '\n')
                     {
                     }
                     var injectCode = fileContents.Substring(j, "API_INJECT_CODE".Length);