Fix initializing the MaxExpressionComplexity and MaxCallStackDepth compiler limits.

src/compiler/translator/ShaderLang.cpp

@@ -97,6 +97,9 @@ void ShInitBuiltInResources(ShBuiltInResources* resources)
     resources->HashFunction = NULL;
 
     resources->ArrayIndexClampingStrategy = SH_CLAMP_WITH_CLAMP_INTRINSIC;
+
+    resources->MaxExpressionComplexity = 256;
+    resources->MaxCallStackDepth = 256;
 }
 
 //