LibGL: Correct values for `GL_BGR` and `GL_BGRA`

Userland/Libraries/LibGL/GL/gl.h

@@ -243,8 +243,8 @@ extern "C" {
 #define GL_LUMINANCE8 0x8040
 #define GL_LUMINANCE_ALPHA 0x190A
 #define GL_LUMINANCE8_ALPHA8 0x8045
-#define GL_BGR 0x190B
-#define GL_BGRA 0x190C
+#define GL_BGR 0x80E0
+#define GL_BGRA 0x80E1
 #define GL_BITMAP 0x1A00
 
 #define GL_LUMINANCE8 0x8040