Correct own error in adding colors

Make comment regarding GLSL more clear.

source/blender/draw/intern/draw_common.h

@@ -32,9 +32,8 @@ struct Batch;
 struct Object;
 struct SceneLayer;
 
-/* Used as ubo but colors can be directly
- * referenced as well */
-/* Keep in sync with globalsBlock in shaders */
+/* Used as ubo but colors can be directly referenced as well */
+/* Keep in sync with: common_globals_lib.glsl (globalsBlock) */
 typedef struct GlobalsUboStorage {
 	/* UBOs data needs to be 16 byte aligned (size of vec4) */
 	float colorWire[4];
@@ -119,4 +118,4 @@ void DRW_shgroup_armature_edit(
     struct Object *ob, struct DRWPass *pass_bone_solid,
     struct DRWPass *pass_bone_wire, struct DRWShadingGroup *shgrp_relationship_lines);
 
-#endif /* __DRAW_COMMON__ */
+#endif /* __DRAW_COMMON__ */

source/blender/draw/modes/shaders/common_globals_lib.glsl

@@ -9,6 +9,8 @@ layout(std140) uniform globalsBlock {
 	vec4 colorGroupActive;
 	vec4 colorGroupSelect;
 	vec4 colorGroup;
+	vec4 colorLibrarySelect;
+	vec4 colorLibrary;
 	vec4 colorLamp;
 	vec4 colorSpeaker;
 	vec4 colorCamera;