diff --git a/glslang/Include/InfoSink.h b/glslang/Include/InfoSink.h
index 7c988d5a..3d31168a 100644
--- a/glslang/Include/InfoSink.h
+++ b/glslang/Include/InfoSink.h
@@ -74,11 +74,11 @@ public:
     TInfoSinkBase& operator<<(const char* s)           { append(s); return *this; }
     TInfoSinkBase& operator<<(int n)                   { append(String(n)); return *this; }
     TInfoSinkBase& operator<<(const unsigned int n)    { append(String(n)); return *this; }
+    TInfoSinkBase& operator<<(size_t n)                { append(String(n)); return *this; }
     TInfoSinkBase& operator<<(float n)                 { const int size = 40; char buf[size]; 
-														 snprintf(buf, size, (fabs(n) > 1e-8 && fabs(n) < 1e8) || n == 0.0f ?
-																   "%f" : "%g", n);
-														 append(buf); 
-														 return *this; }
+                                                         snprintf(buf, size, (fabs(n) > 1e-8 && fabs(n) < 1e8) || n == 0.0f ? "%f" : "%g", n);
+                                                         append(buf); 
+                                                         return *this; }
     TInfoSinkBase& operator+(const TPersistString& t)  { append(t); return *this; }
     TInfoSinkBase& operator+(const TString& t)         { append(t); return *this; }
     TInfoSinkBase& operator<<(const TString& t)        { append(t); return *this; }