fix computeForwardProbes shadergen gl side

Engine/source/shaderGen/GLSL/shaderFeatureGLSL.cpp

@@ -3053,7 +3053,7 @@ void ReflectionProbeFeatGLSL::processPix(Vector<ShaderComponent*>& componentList
    }
          
    //Reflection vec
-   String computeForwardProbes = String("   @.rgb = computeForwardProbes(@,@,@,@,@,@,@,@,@,\r\n\t\t");
+   String computeForwardProbes = String("   @ = computeForwardProbes(@,@,@,@,@,@,@,@,@,\r\n\t\t");
    computeForwardProbes += String("@,@,\r\n\t\t");
    computeForwardProbes += String("@,@).rgb; \r\n");