Fix some warnings

Shaders/BilateralComic.fx

@@ -258,6 +258,7 @@ void BilateralFilterPS(float4 pos : SV_Position, float2 texcoord : TEXCOORD, out
 
 void OutputPS(float4 pos : SV_Position, float2 texcoord : TEXCOORD, out float4 color : SV_Target0)
 {
+	color = float4(0.0, 0.0, 0.0, 0.0);
 	float sobel = tex2D(sSobel, texcoord).x;
 	if(1 - sobel > (1 - EdgeThreshold)) sobel = 0;
 	sobel *= exp(-(2 - EdgeStrength));

Shaders/CMAA_2.fx

@@ -728,7 +728,7 @@ float4 DetectComplexShapes(uint2 coord, float4 edges, float4 edgesLeft, float4 e
 			return packZ(horizontal, invertedZ, shapeQualityScore, lineLengthLeft, lineLengthRight);//((uint(horizontal) << 19) | (uint(invertedZ) << 18) | (uint(shapeQualityScore) << 16) | (uint(lineLengthLeft) << 8) | (uint(lineLengthRight)));
 		}
 	}
-	return 0;
+	return float4(0.0, 0.0, 0.0, 0.0);
 
 }
 

Shaders/pPalettePosterize.fx

@@ -27,10 +27,10 @@ uniform float3 BaseColor <
 	ui_tooltip = "Color from which other colors are calculated";
 	ui_category = "Settings";
 > = float3(0.52, 0.05, 0.05);
-uniform int NumColors <
+uniform float NumColors <
 	ui_type = "slider";
 	ui_label = "Number of colors";
-	ui_min = 2; ui_max = 16;
+	ui_min = 2.0; ui_max = 16.0; ui_step = 1.0;
 	ui_tooltip = "Number of colors to posterize to";
 	ui_category = "Settings";
 > = 4;