Fixed default ctor issues

BeefLibs/Beefy2D/src/geom/Quaternion.bf

@@ -10,7 +10,12 @@ namespace Beefy.geom
         public float mZ;
         public float mW;
         public static readonly Quaternion Identity = Quaternion(0, 0, 0, 1);
-        
+
+		public this()
+		{
+			this = default;
+		}
+
         public this(float x, float y, float z, float w)
         {
             mX = x;

BeefLibs/corlib/src/Globalization/CultureInfo.bf

@@ -226,6 +226,11 @@ namespace System.Globalization
 		    return (temp);
 		}
 
+		private this()
+		{
+
+		}
+
 		public this(String name) : this(name, true)
 		{
 		}

BeefLibs/corlib/src/Threading/Thread.bf

@@ -93,6 +93,11 @@ namespace System.Threading
             }
         }
 
+		private this()
+		{
+
+		}
+
         public this(ThreadStart start)
         {
             if (start == null)