Fix Desktop GLSL versions in the recent changes.

Seems OpenGL ES 3 Requires you must have an lod argument, while Desktop
versions require you must not have a lod argument if you are using a
Sampler2DRect (which doesn't do Mipmapping).

Source/Core/VideoBackends/OGL/Src/TextureConverter.cpp

@@ -85,7 +85,11 @@ void CreatePrograms()
 		"COLOROUT(ocol0)\n"
 		"void main()\n"
 		"{\n"
+#ifdef USE_GLES3
 		"	vec4 c0 = texelFetch(samp9, ivec2(uv0), 0);\n"
+#else
+		"	vec4 c0 = texelFetch(samp9, ivec2(uv0));\n"
+#endif
 		"	float f = step(0.5, fract(uv0.x));\n"
 		"	float y = mix(c0.b, c0.r, f);\n"
 		"	float yComp = 1.164 * (y - 0.0625);\n"