fix ldflags typo and other compile errors

include/blitz/common/Smoothing.h

@@ -2,7 +2,7 @@
 
 namespace blitz {
 
-struct EMASmoother {
+class EMASmoother {
     private:
         float Alpha;
     public:

src/blitz/common/Smoothing.cpp

@@ -1,36 +1,30 @@
-#include <cmath>>
+#include <cmath>
 #include <cassert>
+#include "blitz/common/Smoothing.h"
 
 namespace blitz {
 
-struct EMASmoother {
+EMASmoother::EMASmoother() : Alpha(1.0f), Current(0.0f) {}
-    private:
-        float Alpha;
-    public:
-        float Current;
 
-        EMASmoother::EMASmoother() : Alpha(1.0f), Current(0.0f) {}
+void EMASmoother::TickUnitT(float target) {
+    Current += Alpha * (target - Current);
+}
 
-        void TickUnitT(float target) {
+void EMASmoother::Tick(float target, float delta) {
-            Current += Alpha * (target - Current);
+    Current += std::powf(Alpha, delta) * (target - Current);
-        }
+}
 
-        void Tick(float target, float delta) {
+float EMASmoother::GetAlpha() {
-            Current += std::powf(Alpha, delta) * (target - Current);
+    return Alpha;
-        }
+}
 
-        float GetAlpha() {
+void EMASmoother::SetAlpha(float alpha) {
-            return Alpha;
+    assert(0.0f < alpha && alpha <= 1.0f);
-        }
+    Alpha = alpha;
+}
 
-        void SetAlpha(float alpha) {
+void EMASmoother::SetSmoothingTime(float t) {
-            assert(0.0f < alpha && alpha <= 1.0f);
+    Alpha = 0.999f;
-            Alpha = alpha;
-        }
-
-        void SetSmoothingTime(float t) {
-            Alpha = 0.999f;
-        }
 };
 
 }

xmake.lua

@@ -64,7 +64,7 @@ target("BlitzClient")
     if is_plat("macosx") then
         add_frameworks("OpenGL")
     elseif is_plat("windows") then
-	    add_ldflags("/LCTG") -- fix compiltation of glbinding
+	    add_ldflags("/LTCG") -- fix compiltation of glbinding
     end
 
     -- Assets