Bug fix 1130

In buttons_object panels, there was an old check for used library data
that evaluated data linked on objects, instead of object.
Restored it to checking for ob->id.lib only.

BTW: the setButLock() is persistant, and should be reset after.

source/blender/src/buttons_object.c

@@ -130,7 +130,7 @@
 
 #include "butspace.h" // own module
 
-static float hspeed=0.1, prspeed=0.0;
+static float prspeed=0.0;
 float prlen=0.0;
 
 
@@ -1180,7 +1180,6 @@ void do_common_editbuts(unsigned short event) // old name, is a mix of object an
 
 void object_panel_draw(Object *ob)
 {
-	ID *id;
 	uiBlock *block;
 	int xco, a, dx, dy;
 	
@@ -1207,9 +1206,6 @@ void object_panel_draw(Object *ob)
 
 	uiBlockEndAlign(block);
 
-	id= ob->data;
-	if(id && id->lib) uiSetButLock(1, "Can't edit library data");
-
 	uiDefBut(block, LABEL, 0, "Drawtype",						28,200,100,18, 0, 0, 0, 0, 0, "");
 	uiDefButC(block, MENU, REDRAWVIEW3D, "Drawtype%t|Bounds %x1|Wire %x2|Solid %x3|Shaded %x4",	
 																28,180,100,18, &ob->dt, 0, 0, 0, 0, "Sets the drawing type of the active object");
@@ -1605,10 +1601,14 @@ void object_panels()
 	/* check context here */
 	ob= OBACT;
 	if(ob) {
+		if(ob->id.lib) uiSetButLock(1, "Can't edit library data");
+
 		object_panel_anim(ob);
 		object_panel_draw(ob);
 		object_panel_constraint();
 		if(ob->type==OB_MESH) object_panel_effects(ob);
+		
+		uiClearButLock();
 	}
 }