Added missing integer query

Recently, ES3 specific getIntegerv queries were removed from ES2.
Unfortunately, GL_MAX_COLOR_ATTACHMENTS was moved to the ES3
section, but was still supposed to be in the ES2 section,
since the GL_EXT_draw_buffers exposes it.

Change-Id: I2272ccf282558e10ee6cfb1be9d124cc59df14fa
Reviewed-on: https://swiftshader-review.googlesource.com/9911
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
diff --git a/src/OpenGL/libGLESv2/Context.cpp b/src/OpenGL/libGLESv2/Context.cpp
index 00ad92c..19f298e 100644
--- a/src/OpenGL/libGLESv2/Context.cpp
+++ b/src/OpenGL/libGLESv2/Context.cpp
@@ -2096,6 +2096,9 @@
 	case GL_MAX_DRAW_BUFFERS:
 		*params = MAX_DRAW_BUFFERS;
 		return true;
+	case GL_MAX_COLOR_ATTACHMENTS: // Note: MAX_COLOR_ATTACHMENTS_EXT added by GL_EXT_draw_buffers
+		*params = MAX_COLOR_ATTACHMENTS;
+		return true;
 	default:
 		break;
 	}
@@ -2128,9 +2131,6 @@
 		case GL_MAX_ARRAY_TEXTURE_LAYERS:
 			*params = IMPLEMENTATION_MAX_TEXTURE_SIZE;
 			return true;
-		case GL_MAX_COLOR_ATTACHMENTS: // Note: not supported in OES_framebuffer_object
-			*params = MAX_COLOR_ATTACHMENTS;
-			return true;
 		case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
 			*params = MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS;
 			return true;