Butchery proficiencies give their benefits below 100% learned

Author: RenechCDDA

src/butchery.cpp

@@ -461,8 +461,13 @@ int butcher_time_to_cut( Character &you, const item &corpse_item, const butcher_
     double penalty_small = 0.5;
     double penalty_big = 1.5;
 
-    int prof_butch_penalty = penalty_big * ( 1 - butch_basic ) + penalty_small * ( 1 - butch_adv );
-    int prof_skin_penalty = penalty_small * ( 1 - skin_basic );
+    double prof_butch_penalty = penalty_big * ( 1.0 - butch_basic ) + penalty_small *
+                                ( 1.0 - butch_adv );
+    double prof_skin_penalty = penalty_small * ( 1.0 - skin_basic );
+
+    add_msg_debug( debugmode::DF_ACT_BUTCHER,
+                   "Time penalties for butchering:\n Butchery proficiencies penalty: %.2f%%\n Skinning proficiency penalty: %.2f%%",
+                   prof_butch_penalty * 100.0, prof_skin_penalty * 100.0 );
 
     // there supposed to be a code for book mitigation, but we don't have any book fitting for this