[fixed] slight buff to pcs['butt_gen'] to align with intro_customization

locations/intro_functions.qsrc

@@ -85,7 +85,7 @@ if $ARGS[0] = 'set_base_stats':
 	pcs_leghair		= 12
 	pcs_teeth		= 0
 	pcs_mass['bust_gen']	= 17	& !C-Cup at ideal BMI
-	pcs_mass['butt_gen']	= 20
+	pcs_mass['butt_gen']	= 22
 	pcs_mass['body']		= 60
 	pcs_energy		= 60
 	pcs_hydra		= 60